[v2,09/11] net/bnxt: fix multi-root card support
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Commit Message
From: Kishore Padmanabha <kishore.padmanabha@broadcom.com>
Changed the logic to use device serial number to identify that
different ports belong to same physical card instead of the PCI
domain address.
Signed-off-by: Kishore Padmanabha <kishore.padmanabha@broadcom.com>
Reviewed-by: Shahaji Bhosle <shahaji.bhosle@broadcom.com>
---
drivers/net/bnxt/bnxt.h | 3 +++
drivers/net/bnxt/bnxt_hwrm.c | 1 +
drivers/net/bnxt/tf_ulp/bnxt_ulp.c | 11 ++++++++---
drivers/net/bnxt/tf_ulp/bnxt_ulp.h | 2 ++
4 files changed, 14 insertions(+), 3 deletions(-)
@@ -138,6 +138,7 @@
#define BNXT_NUM_CMPL_DMA_AGGR 36
#define BNXT_CMPL_AGGR_DMA_TMR_DURING_INT 50
#define BNXT_NUM_CMPL_DMA_AGGR_DURING_INT 12
+#define BNXT_DEVICE_SERIAL_NUM_SIZE 8
#define BNXT_DEFAULT_VNIC_STATE_MASK \
HWRM_ASYNC_EVENT_CMPL_DEFAULT_VNIC_CHANGE_EVENT_DATA1_DEF_VNIC_STATE_MASK
@@ -874,6 +875,8 @@ struct bnxt {
uint16_t num_reps;
struct bnxt_rep_info *rep_info;
uint16_t *cfa_code_map;
+ /* Device Serial Number */
+ uint8_t dsn[BNXT_DEVICE_SERIAL_NUM_SIZE];
/* Struct to hold adapter error recovery related info */
struct bnxt_error_recovery_info *recovery_info;
#define BNXT_MARK_TABLE_SZ (sizeof(struct bnxt_mark_info) * 64 * 1024)
@@ -863,6 +863,7 @@ static int __bnxt_hwrm_func_qcaps(struct bnxt *bp)
bp->max_l2_ctx, bp->max_vnics);
bp->max_stat_ctx = rte_le_to_cpu_16(resp->max_stat_ctx);
bp->max_mcast_addr = rte_le_to_cpu_32(resp->max_mcast_filters);
+ memcpy(bp->dsn, resp->device_serial_number, sizeof(bp->dsn));
if (BNXT_PF(bp))
bp->pf->total_vnics = rte_le_to_cpu_16(resp->max_vnics);
@@ -1318,9 +1318,13 @@ ulp_get_session(struct bnxt *bp, struct rte_pci_addr *pci_addr)
/* if multi root capability is enabled, then ignore the pci bus id */
STAILQ_FOREACH(session, &bnxt_ulp_session_list, next) {
- if (session->pci_info.domain == pci_addr->domain &&
- (BNXT_MULTIROOT_EN(bp) ||
- session->pci_info.bus == pci_addr->bus)) {
+ if (BNXT_MULTIROOT_EN(bp)) {
+ if (!memcmp(bp->dsn, session->dsn,
+ sizeof(session->dsn))) {
+ return session;
+ }
+ } else if (session->pci_info.domain == pci_addr->domain &&
+ session->pci_info.bus == pci_addr->bus) {
return session;
}
}
@@ -1364,6 +1368,7 @@ ulp_session_init(struct bnxt *bp,
/* Add it to the queue */
session->pci_info.domain = pci_addr->domain;
session->pci_info.bus = pci_addr->bus;
+ memcpy(session->dsn, bp->dsn, sizeof(session->dsn));
rc = pthread_mutex_init(&session->bnxt_ulp_mutex, NULL);
if (rc) {
BNXT_TF_DBG(ERR, "mutex create failed\n");
@@ -131,11 +131,13 @@ struct bnxt_ulp_pci_info {
uint8_t bus;
};
+#define BNXT_ULP_DEVICE_SERIAL_NUM_SIZE 8
struct bnxt_ulp_session_state {
STAILQ_ENTRY(bnxt_ulp_session_state) next;
bool bnxt_ulp_init;
pthread_mutex_t bnxt_ulp_mutex;
struct bnxt_ulp_pci_info pci_info;
+ uint8_t dsn[BNXT_ULP_DEVICE_SERIAL_NUM_SIZE];
struct bnxt_ulp_data *cfg_data;
struct tf *g_tfp[BNXT_ULP_SESSION_MAX];
uint32_t session_opened[BNXT_ULP_SESSION_MAX];