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[50.53.82.155]) by smtp.gmail.com with ESMTPSA id mv4sm6273970pdb.51.2015.08.28.09.49.50 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 28 Aug 2015 09:49:50 -0700 (PDT) From: Stephen Hemminger To: cristian.dumitrescu@intel.com Date: Fri, 28 Aug 2015 09:49:58 -0700 Message-Id: <1440780599-14851-2-git-send-email-stephen@networkplumber.org> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1440780599-14851-1-git-send-email-stephen@networkplumber.org> References: <1440780599-14851-1-git-send-email-stephen@networkplumber.org> Cc: dev@dpdk.org Subject: [dpdk-dev] [PATCH 1/2] rte_sched: whitespace cleanup X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Break long lines, remove {} on single line conditionals, fix indentation, and break needlessly long lines. Signed-off-by: Stephen Hemminger --- lib/librte_sched/rte_sched.c | 363 ++++++++++++++++++++++--------------------- 1 file changed, 182 insertions(+), 181 deletions(-) diff --git a/lib/librte_sched/rte_sched.c b/lib/librte_sched/rte_sched.c index 9c9419d..924c172 100644 --- a/lib/librte_sched/rte_sched.c +++ b/lib/librte_sched/rte_sched.c @@ -317,88 +317,74 @@ rte_sched_port_check_params(struct rte_sched_port_params *params) { uint32_t i, j; - if (params == NULL) { + if (params == NULL) return -1; - } /* socket */ - if ((params->socket < 0) || (params->socket >= RTE_MAX_NUMA_NODES)) { + if ((params->socket < 0) || (params->socket >= RTE_MAX_NUMA_NODES)) return -3; - } /* rate */ - if (params->rate == 0) { + if (params->rate == 0) return -4; - } /* mtu */ - if (params->mtu == 0) { + if (params->mtu == 0) return -5; - } /* n_subports_per_port: non-zero, power of 2 */ - if ((params->n_subports_per_port == 0) || (!rte_is_power_of_2(params->n_subports_per_port))) { + if ((params->n_subports_per_port == 0) || (!rte_is_power_of_2(params->n_subports_per_port))) return -6; - } /* n_pipes_per_subport: non-zero, power of 2 */ - if ((params->n_pipes_per_subport == 0) || (!rte_is_power_of_2(params->n_pipes_per_subport))) { + if ((params->n_pipes_per_subport == 0) || (!rte_is_power_of_2(params->n_pipes_per_subport))) return -7; - } /* qsize: non-zero, power of 2, no bigger than 32K (due to 16-bit read/write pointers) */ - for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i ++) { + for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) { uint16_t qsize = params->qsize[i]; - if ((qsize == 0) || (!rte_is_power_of_2(qsize))) { + if ((qsize == 0) || (!rte_is_power_of_2(qsize))) return -8; - } } /* pipe_profiles and n_pipe_profiles */ if ((params->pipe_profiles == NULL) || (params->n_pipe_profiles == 0) || - (params->n_pipe_profiles > RTE_SCHED_PIPE_PROFILES_PER_PORT)) { + (params->n_pipe_profiles > RTE_SCHED_PIPE_PROFILES_PER_PORT)) return -9; - } - for (i = 0; i < params->n_pipe_profiles; i ++) { + for (i = 0; i < params->n_pipe_profiles; i++) { struct rte_sched_pipe_params *p = params->pipe_profiles + i; /* TB rate: non-zero, not greater than port rate */ - if ((p->tb_rate == 0) || (p->tb_rate > params->rate)) { + if ((p->tb_rate == 0) || (p->tb_rate > params->rate)) return -10; - } /* TB size: non-zero */ - if (p->tb_size == 0) { + if (p->tb_size == 0) return -11; - } /* TC rate: non-zero, less than pipe rate */ - for (j = 0; j < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; j ++) { - if ((p->tc_rate[j] == 0) || (p->tc_rate[j] > p->tb_rate)) { + for (j = 0; j < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; j++) { + if ((p->tc_rate[j] == 0) || (p->tc_rate[j] > p->tb_rate)) return -12; - } } /* TC period: non-zero */ - if (p->tc_period == 0) { + if (p->tc_period == 0) return -13; - } #ifdef RTE_SCHED_SUBPORT_TC_OV /* TC3 oversubscription weight: non-zero */ - if (p->tc_ov_weight == 0) { + if (p->tc_ov_weight == 0) return -14; - } #endif /* Queue WRR weights: non-zero */ - for (j = 0; j < RTE_SCHED_QUEUES_PER_PIPE; j ++) { - if (p->wrr_weights[j] == 0) { + for (j = 0; j < RTE_SCHED_QUEUES_PER_PIPE; j++) { + if (p->wrr_weights[j] == 0) return -15; - } } } @@ -424,34 +410,42 @@ rte_sched_port_get_array_base(struct rte_sched_port_params *params, enum rte_sch uint32_t base, i; size_per_pipe_queue_array = 0; - for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i ++) { - size_per_pipe_queue_array += RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS * params->qsize[i] * sizeof(struct rte_mbuf *); - } + for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) + size_per_pipe_queue_array += RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS + * params->qsize[i] * sizeof(struct rte_mbuf *); + size_queue_array = n_pipes_per_port * size_per_pipe_queue_array; base = 0; - if (array == e_RTE_SCHED_PORT_ARRAY_SUBPORT) return base; + if (array == e_RTE_SCHED_PORT_ARRAY_SUBPORT) + return base; + base += RTE_CACHE_LINE_ROUNDUP(size_subport); + if (array == e_RTE_SCHED_PORT_ARRAY_PIPE) + return base; - if (array == e_RTE_SCHED_PORT_ARRAY_PIPE) return base; base += RTE_CACHE_LINE_ROUNDUP(size_pipe); + if (array == e_RTE_SCHED_PORT_ARRAY_QUEUE) + return base; - if (array == e_RTE_SCHED_PORT_ARRAY_QUEUE) return base; base += RTE_CACHE_LINE_ROUNDUP(size_queue); + if (array == e_RTE_SCHED_PORT_ARRAY_QUEUE_EXTRA) + return base; - if (array == e_RTE_SCHED_PORT_ARRAY_QUEUE_EXTRA) return base; base += RTE_CACHE_LINE_ROUNDUP(size_queue_extra); + if (array == e_RTE_SCHED_PORT_ARRAY_PIPE_PROFILES) + return base; - if (array == e_RTE_SCHED_PORT_ARRAY_PIPE_PROFILES) return base; base += RTE_CACHE_LINE_ROUNDUP(size_pipe_profiles); + if (array == e_RTE_SCHED_PORT_ARRAY_BMP_ARRAY) + return base; - if (array == e_RTE_SCHED_PORT_ARRAY_BMP_ARRAY) return base; base += RTE_CACHE_LINE_ROUNDUP(size_bmp_array); + if (array == e_RTE_SCHED_PORT_ARRAY_QUEUE_ARRAY) + return base; - if (array == e_RTE_SCHED_PORT_ARRAY_QUEUE_ARRAY) return base; base += RTE_CACHE_LINE_ROUNDUP(size_queue_array); - return base; } @@ -543,8 +537,8 @@ static inline uint64_t rte_sched_time_ms_to_bytes(uint32_t time_ms, uint32_t rate) { uint64_t time = time_ms; - time = (time * rate) / 1000; + time = (time * rate) / 1000; return time; } @@ -553,7 +547,7 @@ rte_sched_port_config_pipe_profile_table(struct rte_sched_port *port, struct rte { uint32_t i, j; - for (i = 0; i < port->n_pipe_profiles; i ++) { + for (i = 0; i < port->n_pipe_profiles; i++) { struct rte_sched_pipe_params *src = params->pipe_profiles + i; struct rte_sched_pipe_profile *dst = port->pipe_profiles + i; @@ -571,15 +565,16 @@ rte_sched_port_config_pipe_profile_table(struct rte_sched_port *port, struct rte /* Traffic Classes */ dst->tc_period = (uint32_t) rte_sched_time_ms_to_bytes(src->tc_period, params->rate); - for (j = 0; j < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; j ++) { - dst->tc_credits_per_period[j] = (uint32_t) rte_sched_time_ms_to_bytes(src->tc_period, src->tc_rate[j]); - } + for (j = 0; j < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; j++) + dst->tc_credits_per_period[j] = + rte_sched_time_ms_to_bytes(src->tc_period, src->tc_rate[j]); + #ifdef RTE_SCHED_SUBPORT_TC_OV dst->tc_ov_weight = src->tc_ov_weight; #endif /* WRR */ - for (j = 0; j < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; j ++) { + for (j = 0; j < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; j++) { uint32_t wrr_cost[RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS]; uint32_t lcd, lcd1, lcd2; uint32_t qindex; @@ -610,13 +605,12 @@ rte_sched_port_config_pipe_profile_table(struct rte_sched_port *port, struct rte } port->pipe_tc3_rate_max = 0; - for (i = 0; i < port->n_pipe_profiles; i ++) { + for (i = 0; i < port->n_pipe_profiles; i++) { struct rte_sched_pipe_params *src = params->pipe_profiles + i; uint32_t pipe_tc3_rate = src->tc_rate[3]; - if (port->pipe_tc3_rate_max < pipe_tc3_rate) { + if (port->pipe_tc3_rate_max < pipe_tc3_rate) port->pipe_tc3_rate_max = pipe_tc3_rate; - } } } @@ -628,15 +622,13 @@ rte_sched_port_config(struct rte_sched_port_params *params) /* Check user parameters. Determine the amount of memory to allocate */ mem_size = rte_sched_port_get_memory_footprint(params); - if (mem_size == 0) { + if (mem_size == 0) return NULL; - } /* Allocate memory to store the data structures */ port = rte_zmalloc("qos_params", mem_size, RTE_CACHE_LINE_SIZE); - if (port == NULL) { + if (port == NULL) return NULL; - } /* User parameters */ port->n_subports_per_port = params->n_subports_per_port; @@ -662,9 +654,8 @@ rte_sched_port_config(struct rte_sched_port_params *params) params->red_params[i][j].wq_log2, params->red_params[i][j].min_th, params->red_params[i][j].max_th, - params->red_params[i][j].maxp_inv) != 0) { + params->red_params[i][j].maxp_inv) != 0) return NULL; - } } } #endif @@ -688,13 +679,20 @@ rte_sched_port_config(struct rte_sched_port_params *params) rte_sched_port_config_qsize(port); /* Large data structures */ - port->subport = (struct rte_sched_subport *) (port->memory + rte_sched_port_get_array_base(params, e_RTE_SCHED_PORT_ARRAY_SUBPORT)); - port->pipe = (struct rte_sched_pipe *) (port->memory + rte_sched_port_get_array_base(params, e_RTE_SCHED_PORT_ARRAY_PIPE)); - port->queue = (struct rte_sched_queue *) (port->memory + rte_sched_port_get_array_base(params, e_RTE_SCHED_PORT_ARRAY_QUEUE)); - port->queue_extra = (struct rte_sched_queue_extra *) (port->memory + rte_sched_port_get_array_base(params, e_RTE_SCHED_PORT_ARRAY_QUEUE_EXTRA)); - port->pipe_profiles = (struct rte_sched_pipe_profile *) (port->memory + rte_sched_port_get_array_base(params, e_RTE_SCHED_PORT_ARRAY_PIPE_PROFILES)); - port->bmp_array = port->memory + rte_sched_port_get_array_base(params, e_RTE_SCHED_PORT_ARRAY_BMP_ARRAY); - port->queue_array = (struct rte_mbuf **) (port->memory + rte_sched_port_get_array_base(params, e_RTE_SCHED_PORT_ARRAY_QUEUE_ARRAY)); + port->subport = (struct rte_sched_subport *) + (port->memory + rte_sched_port_get_array_base(params, e_RTE_SCHED_PORT_ARRAY_SUBPORT)); + port->pipe = (struct rte_sched_pipe *) + (port->memory + rte_sched_port_get_array_base(params, e_RTE_SCHED_PORT_ARRAY_PIPE)); + port->queue = (struct rte_sched_queue *) + (port->memory + rte_sched_port_get_array_base(params, e_RTE_SCHED_PORT_ARRAY_QUEUE)); + port->queue_extra = (struct rte_sched_queue_extra *) + (port->memory + rte_sched_port_get_array_base(params, e_RTE_SCHED_PORT_ARRAY_QUEUE_EXTRA)); + port->pipe_profiles = (struct rte_sched_pipe_profile *) + (port->memory + rte_sched_port_get_array_base(params, e_RTE_SCHED_PORT_ARRAY_PIPE_PROFILES)); + port->bmp_array = port->memory + + rte_sched_port_get_array_base(params, e_RTE_SCHED_PORT_ARRAY_BMP_ARRAY); + port->queue_array = (struct rte_mbuf **) + (port->memory + rte_sched_port_get_array_base(params, e_RTE_SCHED_PORT_ARRAY_QUEUE_ARRAY)); /* Pipe profile table */ rte_sched_port_config_pipe_profile_table(port, params); @@ -707,9 +705,10 @@ rte_sched_port_config(struct rte_sched_port_params *params) RTE_LOG(ERR, SCHED, "Bitmap init error\n"); return NULL; } - for (i = 0; i < RTE_SCHED_PORT_N_GRINDERS; i ++) { + + for (i = 0; i < RTE_SCHED_PORT_N_GRINDERS; i++) port->grinder_base_bmp_pos[i] = RTE_SCHED_PIPE_INVALID; - } + return port; } @@ -718,9 +717,8 @@ void rte_sched_port_free(struct rte_sched_port *port) { /* Check user parameters */ - if (port == NULL){ + if (port == NULL) return; - } rte_bitmap_free(port->bmp); rte_free(port); @@ -765,27 +763,22 @@ rte_sched_subport_config(struct rte_sched_port *port, /* Check user parameters */ if ((port == NULL) || (subport_id >= port->n_subports_per_port) || - (params == NULL)) { + (params == NULL)) return -1; - } - if ((params->tb_rate == 0) || (params->tb_rate > port->rate)) { + if ((params->tb_rate == 0) || (params->tb_rate > port->rate)) return -2; - } - if (params->tb_size == 0) { + if (params->tb_size == 0) return -3; - } - for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i ++) { - if ((params->tc_rate[i] == 0) || (params->tc_rate[i] > params->tb_rate)) { + for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) { + if ((params->tc_rate[i] == 0) || (params->tc_rate[i] > params->tb_rate)) return -4; - } } - if (params->tc_period == 0) { + if (params->tc_period == 0) return -5; - } s = port->subport + subport_id; @@ -804,19 +797,21 @@ rte_sched_subport_config(struct rte_sched_port *port, s->tb_credits = s->tb_size / 2; /* Traffic Classes (TCs) */ - s->tc_period = (uint32_t) rte_sched_time_ms_to_bytes(params->tc_period, port->rate); - for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i ++) { - s->tc_credits_per_period[i] = (uint32_t) rte_sched_time_ms_to_bytes(params->tc_period, params->tc_rate[i]); + s->tc_period = rte_sched_time_ms_to_bytes(params->tc_period, port->rate); + for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) { + s->tc_credits_per_period[i] = rte_sched_time_ms_to_bytes(params->tc_period, + params->tc_rate[i]); } + s->tc_time = port->time + s->tc_period; - for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i ++) { + for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) s->tc_credits[i] = s->tc_credits_per_period[i]; - } #ifdef RTE_SCHED_SUBPORT_TC_OV /* TC oversubscription */ s->tc_ov_wm_min = port->mtu; - s->tc_ov_wm_max = (uint32_t) rte_sched_time_ms_to_bytes(params->tc_period, port->pipe_tc3_rate_max); + s->tc_ov_wm_max = rte_sched_time_ms_to_bytes(params->tc_period, + port->pipe_tc3_rate_max); s->tc_ov_wm = s->tc_ov_wm_max; s->tc_ov_period_id = 0; s->tc_ov = 0; @@ -846,15 +841,13 @@ rte_sched_pipe_config(struct rte_sched_port *port, if ((port == NULL) || (subport_id >= port->n_subports_per_port) || (pipe_id >= port->n_pipes_per_subport) || - ((!deactivate) && (profile >= port->n_pipe_profiles))) { + ((!deactivate) && (profile >= port->n_pipe_profiles))) return -1; - } /* Check that subport configuration is valid */ s = port->subport + subport_id; - if (s->tb_period == 0) { + if (s->tb_period == 0) return -2; - } p = port->pipe + (subport_id * port->n_pipes_per_subport + pipe_id); @@ -883,9 +876,8 @@ rte_sched_pipe_config(struct rte_sched_port *port, memset(p, 0, sizeof(struct rte_sched_pipe)); } - if (deactivate) { + if (deactivate) return 0; - } /* Apply the new pipe configuration */ p->profile = profile; @@ -897,15 +889,17 @@ rte_sched_pipe_config(struct rte_sched_port *port, /* Traffic Classes (TCs) */ p->tc_time = port->time + params->tc_period; - for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i ++) { + for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) p->tc_credits[i] = params->tc_credits_per_period[i]; - } + #ifdef RTE_SCHED_SUBPORT_TC_OV { /* Subport TC3 oversubscription */ - double subport_tc3_rate = ((double) s->tc_credits_per_period[3]) / ((double) s->tc_period); - double pipe_tc3_rate = ((double) params->tc_credits_per_period[3]) / ((double) params->tc_period); + double subport_tc3_rate = (double)s->tc_credits_per_period[3]) + / (double)s->tc_period; + double pipe_tc3_rate = (double)params->tc_credits_per_period[3]) + / (double)params->tc_period; uint32_t tc3_ov = s->tc_ov; s->tc_ov_n += params->tc_ov_weight; @@ -976,9 +970,8 @@ rte_sched_subport_read_stats(struct rte_sched_port *port, if ((port == NULL) || (subport_id >= port->n_subports_per_port) || (stats == NULL) || - (tc_ov == NULL)) { + (tc_ov == NULL)) return -1; - } s = port->subport + subport_id; /* Copy subport stats and clear */ @@ -1004,9 +997,8 @@ rte_sched_queue_read_stats(struct rte_sched_port *port, if ((port == NULL) || (queue_id >= rte_sched_port_queues_per_port(port)) || (stats == NULL) || - (qlen == NULL)) { + (qlen == NULL)) return -1; - } q = port->queue + queue_id; qe = port->queue_extra + queue_id; @@ -1021,7 +1013,8 @@ rte_sched_queue_read_stats(struct rte_sched_port *port, } static inline uint32_t -rte_sched_port_qindex(struct rte_sched_port *port, uint32_t subport, uint32_t pipe, uint32_t traffic_class, uint32_t queue) +rte_sched_port_qindex(struct rte_sched_port *port, uint32_t subport, + uint32_t pipe, uint32_t traffic_class, uint32_t queue) { uint32_t result; @@ -1038,7 +1031,8 @@ rte_sched_port_qbase(struct rte_sched_port *port, uint32_t qindex) uint32_t pindex = qindex >> 4; uint32_t qpos = qindex & 0xF; - return (port->queue_array + pindex * port->qsize_sum + port->qsize_add[qpos]); + return port->queue_array + pindex * port->qsize_sum + + port->qsize_add[qpos]; } static inline uint16_t @@ -1074,9 +1068,11 @@ rte_sched_port_queue_is_full(struct rte_sched_port *port, uint32_t qindex) #ifdef RTE_SCHED_COLLECT_STATS static inline void -rte_sched_port_update_subport_stats(struct rte_sched_port *port, uint32_t qindex, struct rte_mbuf *pkt) +rte_sched_port_update_subport_stats(struct rte_sched_port *port, + uint32_t qindex, struct rte_mbuf *pkt) { - struct rte_sched_subport *s = port->subport + (qindex / rte_sched_port_queues_per_subport(port)); + struct rte_sched_subport *s = port->subport + + (qindex / rte_sched_port_queues_per_subport(port)); uint32_t tc_index = (qindex >> 2) & 0x3; uint32_t pkt_len = pkt->pkt_len; @@ -1085,7 +1081,8 @@ rte_sched_port_update_subport_stats(struct rte_sched_port *port, uint32_t qindex } static inline void -rte_sched_port_update_subport_stats_on_drop(struct rte_sched_port *port, uint32_t qindex, struct rte_mbuf *pkt) +rte_sched_port_update_subport_stats_on_drop(struct rte_sched_port *port, uint32_t qindex, + struct rte_mbuf *pkt) { struct rte_sched_subport *s = port->subport + (qindex / rte_sched_port_queues_per_subport(port)); uint32_t tc_index = (qindex >> 2) & 0x3; @@ -1096,7 +1093,8 @@ rte_sched_port_update_subport_stats_on_drop(struct rte_sched_port *port, uint32_ } static inline void -rte_sched_port_update_queue_stats(struct rte_sched_port *port, uint32_t qindex, struct rte_mbuf *pkt) +rte_sched_port_update_queue_stats(struct rte_sched_port *port, uint32_t qindex, + struct rte_mbuf *pkt) { struct rte_sched_queue_extra *qe = port->queue_extra + qindex; uint32_t pkt_len = pkt->pkt_len; @@ -1106,7 +1104,8 @@ rte_sched_port_update_queue_stats(struct rte_sched_port *port, uint32_t qindex, } static inline void -rte_sched_port_update_queue_stats_on_drop(struct rte_sched_port *port, uint32_t qindex, struct rte_mbuf *pkt) +rte_sched_port_update_queue_stats_on_drop(struct rte_sched_port *port, + uint32_t qindex, struct rte_mbuf *pkt) { struct rte_sched_queue_extra *qe = port->queue_extra + qindex; uint32_t pkt_len = pkt->pkt_len; @@ -1120,11 +1119,12 @@ rte_sched_port_update_queue_stats_on_drop(struct rte_sched_port *port, uint32_t #ifdef RTE_SCHED_RED static inline int -rte_sched_port_red_drop(struct rte_sched_port *port, struct rte_mbuf *pkt, uint32_t qindex, uint16_t qlen) +rte_sched_port_red_drop(struct rte_sched_port *port, struct rte_mbuf *pkt, + uint32_t qindex, uint16_t qlen) { struct rte_sched_queue_extra *qe; struct rte_red_config *red_cfg; - struct rte_red *red; + struct rte_red *red; uint32_t tc_index; enum rte_meter_color color; @@ -1142,10 +1142,11 @@ rte_sched_port_red_drop(struct rte_sched_port *port, struct rte_mbuf *pkt, uint3 } static inline void -rte_sched_port_set_queue_empty_timestamp(struct rte_sched_port *port, uint32_t qindex) +rte_sched_port_set_queue_empty_timestamp(struct rte_sched_port *port, + uint32_t qindex) { struct rte_sched_queue_extra *qe; - struct rte_red *red; + struct rte_red *red; qe = port->queue_extra + qindex; red = &qe->red; @@ -1170,17 +1171,17 @@ debug_pipe_is_empty(struct rte_sched_port *port, uint32_t pindex) qindex = pindex << 4; - for (i = 0; i < 16; i ++){ + for (i = 0; i < 16; i++) { uint32_t queue_empty = rte_sched_port_queue_is_empty(port, qindex + i); uint32_t bmp_bit_clear = (rte_bitmap_get(port->bmp, qindex + i) == 0); - if (queue_empty != bmp_bit_clear){ - rte_panic("Queue status mismatch for queue %u of pipe %u\n", i, pindex); - } + if (queue_empty != bmp_bit_clear) + rte_panic("Queue status mismatch for queue %u of pipe %u\n", + i, pindex); - if (!queue_empty){ + + if (!queue_empty) return 0; - } } return 1; @@ -1192,13 +1193,12 @@ debug_check_queue_slab(struct rte_sched_port *port, uint32_t bmp_pos, uint64_t b uint64_t mask; uint32_t i, panic; - if (bmp_slab == 0){ + if (bmp_slab == 0) rte_panic("Empty slab at position %u\n", bmp_pos); - } panic = 0; - for (i = 0, mask = 1; i < 64; i ++, mask <<= 1) { - if (mask & bmp_slab){ + for (i = 0, mask = 1; i < 64; i++, mask <<= 1) { + if (mask & bmp_slab) { if (rte_sched_port_queue_is_empty(port, bmp_pos + i)) { printf("Queue %u (slab offset %u) is empty\n", bmp_pos + i, i); panic = 1; @@ -1206,7 +1206,7 @@ debug_check_queue_slab(struct rte_sched_port *port, uint32_t bmp_pos, uint64_t b } } - if (panic){ + if (panic) { rte_panic("Empty queues in slab 0x%" PRIx64 "starting at position %u\n", bmp_slab, bmp_pos); } @@ -1237,7 +1237,8 @@ rte_sched_port_enqueue_qptrs_prefetch0(struct rte_sched_port *port, struct rte_m } static inline void -rte_sched_port_enqueue_qwa_prefetch0(struct rte_sched_port *port, uint32_t qindex, struct rte_mbuf **qbase) +rte_sched_port_enqueue_qwa_prefetch0(struct rte_sched_port *port, + uint32_t qindex, struct rte_mbuf **qbase) { struct rte_sched_queue *q; struct rte_mbuf **q_qw; @@ -1252,7 +1253,8 @@ rte_sched_port_enqueue_qwa_prefetch0(struct rte_sched_port *port, uint32_t qinde } static inline int -rte_sched_port_enqueue_qwa(struct rte_sched_port *port, uint32_t qindex, struct rte_mbuf **qbase, struct rte_mbuf *pkt) +rte_sched_port_enqueue_qwa(struct rte_sched_port *port, uint32_t qindex, + struct rte_mbuf **qbase, struct rte_mbuf *pkt) { struct rte_sched_queue *q; uint16_t qsize; @@ -1274,7 +1276,7 @@ rte_sched_port_enqueue_qwa(struct rte_sched_port *port, uint32_t qindex, struct /* Enqueue packet */ qbase[q->qw & (qsize - 1)] = pkt; - q->qw ++; + q->qw++; /* Activate queue in the port bitmap */ rte_bitmap_set(port->bmp, qindex); @@ -1297,7 +1299,7 @@ rte_sched_port_enqueue(struct rte_sched_port *port, struct rte_mbuf **pkts, uint result = 0; - for (i = 0; i < n_pkts; i ++) { + for (i = 0; i < n_pkts; i++) { struct rte_mbuf *pkt; struct rte_mbuf **q_base; uint32_t subport, pipe, traffic_class, queue, qindex; @@ -1324,17 +1326,20 @@ rte_sched_port_enqueue(struct rte_sched_port *port, struct rte_mbuf **pkts, uint * diagram below: * * p00 _______ p10 _______ p20 _______ p30 _______ - * ----->| |----->| |----->| |----->| |-----> + *----->| |----->| |----->| |----->| |-----> * | 0 | | 1 | | 2 | | 3 | - * ----->|_______|----->|_______|----->|_______|----->|_______|-----> + *----->|_______|----->|_______|----->|_______|----->|_______|-----> * p01 p11 p21 p31 * ***/ int rte_sched_port_enqueue(struct rte_sched_port *port, struct rte_mbuf **pkts, uint32_t n_pkts) { - struct rte_mbuf *pkt00, *pkt01, *pkt10, *pkt11, *pkt20, *pkt21, *pkt30, *pkt31, *pkt_last; - struct rte_mbuf **q00_base, **q01_base, **q10_base, **q11_base, **q20_base, **q21_base, **q30_base, **q31_base, **q_last_base; + struct rte_mbuf *pkt00, *pkt01, *pkt10, *pkt11, *pkt20, *pkt21, + *pkt30, *pkt31, *pkt_last; + struct rte_mbuf **q00_base, **q01_base, **q10_base, + **q11_base, **q20_base, **q21_base, **q30_base, + **q31_base, **q_last_base; uint32_t q00, q01, q10, q11, q20, q21, q30, q31, q_last; uint32_t r00, r01, r10, r11, r20, r21, r30, r31, r_last; uint32_t result, i; @@ -1347,25 +1352,23 @@ rte_sched_port_enqueue(struct rte_sched_port *port, struct rte_mbuf **pkts, uint uint32_t q[5]; /* Prefetch the mbuf structure of each packet */ - for (i = 0; i < n_pkts; i ++) { + for (i = 0; i < n_pkts; i++) rte_prefetch0(pkts[i]); - } /* Prefetch the queue structure for each queue */ - for (i = 0; i < n_pkts; i ++) { + for (i = 0; i < n_pkts; i++) q[i] = rte_sched_port_enqueue_qptrs_prefetch0(port, pkts[i]); - } /* Prefetch the write pointer location of each queue */ - for (i = 0; i < n_pkts; i ++) { + for (i = 0; i < n_pkts; i++) { q_base[i] = rte_sched_port_qbase(port, q[i]); rte_sched_port_enqueue_qwa_prefetch0(port, q[i], q_base[i]); } /* Write each packet to its queue */ - for (i = 0; i < n_pkts; i ++) { - result += rte_sched_port_enqueue_qwa(port, q[i], q_base[i], pkts[i]); - } + for (i = 0; i < n_pkts; i++) + result += rte_sched_port_enqueue_qwa(port, q[i], + q_base[i], pkts[i]); return result; } @@ -1537,9 +1540,8 @@ grinder_tc_ov_credits_update(struct rte_sched_port *port, uint32_t pos) uint32_t tc_ov_consumption_max; uint32_t tc_ov_wm = subport->tc_ov_wm; - if (subport->tc_ov == 0) { + if (subport->tc_ov == 0) return subport->tc_ov_wm_max; - } tc_ov_consumption[0] = subport->tc_credits_per_period[0] - subport->tc_credits[0]; tc_ov_consumption[1] = subport->tc_credits_per_period[1] - subport->tc_credits[1]; @@ -1551,16 +1553,16 @@ grinder_tc_ov_credits_update(struct rte_sched_port *port, uint32_t pos) if (tc_ov_consumption[3] > (tc_ov_consumption_max - port->mtu)) { tc_ov_wm -= tc_ov_wm >> 7; - if (tc_ov_wm < subport->tc_ov_wm_min) { + if (tc_ov_wm < subport->tc_ov_wm_min) tc_ov_wm = subport->tc_ov_wm_min; - } + return tc_ov_wm; } tc_ov_wm += (tc_ov_wm >> 7) + 1; - if (tc_ov_wm > subport->tc_ov_wm_max) { + if (tc_ov_wm > subport->tc_ov_wm_max) tc_ov_wm = subport->tc_ov_wm_max; - } + return tc_ov_wm; } @@ -1595,7 +1597,7 @@ grinder_credits_update(struct rte_sched_port *port, uint32_t pos) subport->tc_credits[3] = subport->tc_credits_per_period[3]; subport->tc_time = port->time + subport->tc_period; - subport->tc_ov_period_id ++; + subport->tc_ov_period_id++; } /* Pipe TCs */ @@ -1642,9 +1644,8 @@ grinder_credits_check(struct rte_sched_port *port, uint32_t pos) (pkt_len <= pipe_tb_credits) && (pkt_len <= pipe_tc_credits); - if (!enough_credits) { + if (!enough_credits) return 0; - } /* Update port credits */ subport->tb_credits -= pkt_len; @@ -1682,9 +1683,8 @@ grinder_credits_check(struct rte_sched_port *port, uint32_t pos) (pkt_len <= pipe_tc_credits) && (pkt_len <= pipe_tc_ov_credits); - if (!enough_credits) { + if (!enough_credits) return 0; - } /* Update pipe and subport credits */ subport->tb_credits -= pkt_len; @@ -1709,17 +1709,16 @@ grinder_schedule(struct rte_sched_port *port, uint32_t pos) uint32_t pkt_len = pkt->pkt_len + port->frame_overhead; #if RTE_SCHED_TS_CREDITS_CHECK - if (!grinder_credits_check(port, pos)) { + if (!grinder_credits_check(port, pos)) return 0; - } #endif /* Advance port time */ port->time += pkt_len; /* Send packet */ - port->pkts_out[port->n_pkts_out ++] = pkt; - queue->qr ++; + port->pkts_out[port->n_pkts_out++] = pkt; + queue->qr++; grinder->wrr_tokens[grinder->qpos] += pkt_len * grinder->wrr_cost[grinder->qpos]; if (queue->qr == queue->qw) { uint32_t qindex = grinder->qindex[grinder->qpos]; @@ -1742,9 +1741,10 @@ grinder_schedule(struct rte_sched_port *port, uint32_t pos) static inline int grinder_pipe_exists(struct rte_sched_port *port, uint32_t base_pipe) { - __m128i index = _mm_set1_epi32 (base_pipe); + __m128i index = _mm_set1_epi32(base_pipe); __m128i pipes = _mm_load_si128((__m128i *)port->grinder_base_bmp_pos); __m128i res = _mm_cmpeq_epi32(pipes, index); + pipes = _mm_load_si128((__m128i *)(port->grinder_base_bmp_pos + 4)); pipes = _mm_cmpeq_epi32(pipes, index); res = _mm_or_si128(res, pipes); @@ -1762,10 +1762,9 @@ grinder_pipe_exists(struct rte_sched_port *port, uint32_t base_pipe) { uint32_t i; - for (i = 0; i < RTE_SCHED_PORT_N_GRINDERS; i ++) { - if (port->grinder_base_bmp_pos[i] == base_pipe) { + for (i = 0; i < RTE_SCHED_PORT_N_GRINDERS; i++) { + if (port->grinder_base_bmp_pos[i] == base_pipe) return 1; - } } return 0; @@ -1774,7 +1773,8 @@ grinder_pipe_exists(struct rte_sched_port *port, uint32_t base_pipe) #endif /* RTE_SCHED_OPTIMIZATIONS */ static inline void -grinder_pcache_populate(struct rte_sched_port *port, uint32_t pos, uint32_t bmp_pos, uint64_t bmp_slab) +grinder_pcache_populate(struct rte_sched_port *port, uint32_t pos, + uint32_t bmp_pos, uint64_t bmp_slab) { struct rte_sched_grinder *grinder = port->grinder + pos; uint16_t w[4]; @@ -1843,9 +1843,8 @@ grinder_next_tc(struct rte_sched_port *port, uint32_t pos) uint32_t qindex; uint16_t qsize; - if (grinder->tccache_r == grinder->tccache_w) { + if (grinder->tccache_r == grinder->tccache_w) return 0; - } qindex = grinder->tccache_qindex[grinder->tccache_r]; qbase = rte_sched_port_qbase(port, qindex); @@ -1870,7 +1869,7 @@ grinder_next_tc(struct rte_sched_port *port, uint32_t pos) grinder->qbase[2] = qbase + 2 * qsize; grinder->qbase[3] = qbase + 3 * qsize; - grinder->tccache_r ++; + grinder->tccache_r++; return 1; } @@ -1884,15 +1883,14 @@ grinder_next_pipe(struct rte_sched_port *port, uint32_t pos) if (grinder->pcache_r < grinder->pcache_w) { pipe_qmask = grinder->pcache_qmask[grinder->pcache_r]; pipe_qindex = grinder->pcache_qindex[grinder->pcache_r]; - grinder->pcache_r ++; + grinder->pcache_r++; } else { uint64_t bmp_slab = 0; uint32_t bmp_pos = 0; /* Get another non-empty pipe group */ - if (unlikely(rte_bitmap_scan(port->bmp, &bmp_pos, &bmp_slab) <= 0)) { + if (unlikely(rte_bitmap_scan(port->bmp, &bmp_pos, &bmp_slab) <= 0)) return 0; - } #if RTE_SCHED_DEBUG debug_check_queue_slab(port, bmp_pos, bmp_slab); @@ -1900,9 +1898,9 @@ grinder_next_pipe(struct rte_sched_port *port, uint32_t pos) /* Return if pipe group already in one of the other grinders */ port->grinder_base_bmp_pos[pos] = RTE_SCHED_BMP_POS_INVALID; - if (unlikely(grinder_pipe_exists(port, bmp_pos))) { + if (unlikely(grinder_pipe_exists(port, bmp_pos))) return 0; - } + port->grinder_base_bmp_pos[pos] = bmp_pos; /* Install new pipe group into grinder's pipe cache */ @@ -1934,9 +1932,9 @@ grinder_next_pipe(struct rte_sched_port *port, uint32_t pos) #if RTE_SCHED_WRR == 0 -#define grinder_wrr_load(a,b) +#define grinder_wrr_load(a, b) -#define grinder_wrr_store(a,b) +#define grinder_wrr_store(a, b) static inline void grinder_wrr(struct rte_sched_port *port, uint32_t pos) @@ -1944,9 +1942,8 @@ grinder_wrr(struct rte_sched_port *port, uint32_t pos) struct rte_sched_grinder *grinder = port->grinder + pos; uint64_t slab = grinder->qmask; - if (rte_bsf64(slab, &grinder->qpos) == 0) { + if (rte_bsf64(slab, &grinder->qpos) == 0) rte_panic("grinder wrr\n"); - } } #elif RTE_SCHED_WRR == 1 @@ -1989,10 +1986,14 @@ grinder_wrr_store(struct rte_sched_port *port, uint32_t pos) qindex = tc_index * 4; - pipe->wrr_tokens[qindex] = (uint8_t) ((grinder->wrr_tokens[0] & grinder->wrr_mask[0]) >> RTE_SCHED_WRR_SHIFT); - pipe->wrr_tokens[qindex + 1] = (uint8_t) ((grinder->wrr_tokens[1] & grinder->wrr_mask[1]) >> RTE_SCHED_WRR_SHIFT); - pipe->wrr_tokens[qindex + 2] = (uint8_t) ((grinder->wrr_tokens[2] & grinder->wrr_mask[2]) >> RTE_SCHED_WRR_SHIFT); - pipe->wrr_tokens[qindex + 3] = (uint8_t) ((grinder->wrr_tokens[3] & grinder->wrr_mask[3]) >> RTE_SCHED_WRR_SHIFT); + pipe->wrr_tokens[qindex] = + (grinder->wrr_tokens[0] & grinder->wrr_mask[0]) >> RTE_SCHED_WRR_SHIFT; + pipe->wrr_tokens[qindex + 1] = + (grinder->wrr_tokens[1] & grinder->wrr_mask[1]) >> RTE_SCHED_WRR_SHIFT; + pipe->wrr_tokens[qindex + 2] = + (grinder->wrr_tokens[2] & grinder->wrr_mask[2]) >> RTE_SCHED_WRR_SHIFT; + pipe->wrr_tokens[qindex + 3] = + (grinder->wrr_tokens[3] & grinder->wrr_mask[3]) >> RTE_SCHED_WRR_SHIFT; } static inline void @@ -2083,7 +2084,7 @@ grinder_handle(struct rte_sched_port *port, uint32_t pos) { if (grinder_next_pipe(port, pos)) { grinder_prefetch_pipe(port, pos); - port->busy_grinders ++; + port->busy_grinders++; grinder->state = e_GRINDER_PREFETCH_TC_QUEUE_ARRAYS; return 0; @@ -2134,9 +2135,10 @@ grinder_handle(struct rte_sched_port *port, uint32_t pos) grinder->state = e_GRINDER_PREFETCH_MBUF; return result; } - if ((grinder->productive == 0) && (port->pipe_loop == RTE_SCHED_PIPE_INVALID)) { + if ((grinder->productive == 0) && + (port->pipe_loop == RTE_SCHED_PIPE_INVALID)) port->pipe_loop = grinder->pindex; - } + grinder_evict(port, pos); /* Look for another active pipe */ @@ -2148,7 +2150,7 @@ grinder_handle(struct rte_sched_port *port, uint32_t pos) } /* No active pipe found */ - port->busy_grinders --; + port->busy_grinders--; grinder->state = e_GRINDER_PREFETCH_PIPE; return result; @@ -2170,9 +2172,8 @@ rte_sched_port_time_resync(struct rte_sched_port *port) /* Advance port time */ port->time_cpu_cycles = cycles; port->time_cpu_bytes += (uint64_t) bytes_diff; - if (port->time < port->time_cpu_bytes) { + if (port->time < port->time_cpu_bytes) port->time = port->time_cpu_bytes; - } /* Reset pipe loop detection */ port->pipe_loop = RTE_SCHED_PIPE_INVALID; @@ -2204,7 +2205,7 @@ rte_sched_port_dequeue(struct rte_sched_port *port, struct rte_mbuf **pkts, uint rte_sched_port_time_resync(port); /* Take each queue in the grinder one step further */ - for (i = 0, count = 0; ; i ++) { + for (i = 0, count = 0; ; i++) { count += grinder_handle(port, i & (RTE_SCHED_PORT_N_GRINDERS - 1)); if ((count == n_pkts) || rte_sched_port_exceptions(port, i >= RTE_SCHED_PORT_N_GRINDERS)) {