diff options
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r-- | drivers/net/ethernet/broadcom/bnx2x/bnx2x.h | 36 | ||||
-rw-r--r-- | drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 4 | ||||
-rw-r--r-- | drivers/net/ethernet/broadcom/cnic.c | 3 |
3 files changed, 39 insertions, 4 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h index 70b6a05834d1..97b3d32a98bd 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h @@ -246,8 +246,37 @@ enum { BNX2X_MAX_CNIC_ETH_CL_ID_IDX, }; -#define BNX2X_CNIC_START_ETH_CID(bp) (BNX2X_NUM_NON_CNIC_QUEUES(bp) *\ +/* use a value high enough to be above all the PFs, which has least significant + * nibble as 8, so when cnic needs to come up with a CID for UIO to use to + * calculate doorbell address according to old doorbell configuration scheme + * (db_msg_sz 1 << 7 * cid + 0x40 DPM offset) it can come up with a valid number + * We must avoid coming up with cid 8 for iscsi since according to this method + * the designated UIO cid will come out 0 and it has a special handling for that + * case which doesn't suit us. Therefore will will cieling to closes cid which + * has least signigifcant nibble 8 and if it is 8 we will move forward to 0x18. + */ + +#define BNX2X_1st_NON_L2_ETH_CID(bp) (BNX2X_NUM_NON_CNIC_QUEUES(bp) * \ (bp)->max_cos) +/* amount of cids traversed by UIO's DPM addition to doorbell */ +#define UIO_DPM 8 +/* roundup to DPM offset */ +#define UIO_ROUNDUP(bp) (roundup(BNX2X_1st_NON_L2_ETH_CID(bp), \ + UIO_DPM)) +/* offset to nearest value which has lsb nibble matching DPM */ +#define UIO_CID_OFFSET(bp) ((UIO_ROUNDUP(bp) + UIO_DPM) % \ + (UIO_DPM * 2)) +/* add offset to rounded-up cid to get a value which could be used with UIO */ +#define UIO_DPM_ALIGN(bp) (UIO_ROUNDUP(bp) + UIO_CID_OFFSET(bp)) +/* but wait - avoid UIO special case for cid 0 */ +#define UIO_DPM_CID0_OFFSET(bp) ((UIO_DPM * 2) * \ + (UIO_DPM_ALIGN(bp) == UIO_DPM)) +/* Properly DPM aligned CID dajusted to cid 0 secal case */ +#define BNX2X_CNIC_START_ETH_CID(bp) (UIO_DPM_ALIGN(bp) + \ + (UIO_DPM_CID0_OFFSET(bp))) +/* how many cids were wasted - need this value for cid allocation */ +#define UIO_CID_PAD(bp) (BNX2X_CNIC_START_ETH_CID(bp) - \ + BNX2X_1st_NON_L2_ETH_CID(bp)) /* iSCSI L2 */ #define BNX2X_ISCSI_ETH_CID(bp) (BNX2X_CNIC_START_ETH_CID(bp)) /* FCoE L2 */ @@ -1680,10 +1709,11 @@ struct bnx2x { * Maximum CID count that might be required by the bnx2x: * Max RSS * Max_Tx_Multi_Cos + FCoE + iSCSI */ + #define BNX2X_L2_CID_COUNT(bp) (BNX2X_NUM_ETH_QUEUES(bp) * BNX2X_MULTI_TX_COS \ - + 2 * CNIC_SUPPORT(bp)) + + CNIC_SUPPORT(bp) * (2 + UIO_CID_PAD(bp))) #define BNX2X_L2_MAX_CID(bp) (BNX2X_MAX_RSS_COUNT(bp) * BNX2X_MULTI_TX_COS \ - + 2 * CNIC_SUPPORT(bp)) + + CNIC_SUPPORT(bp) * (2 + UIO_CID_PAD(bp))) #define L2_ILT_LINES(bp) (DIV_ROUND_UP(BNX2X_L2_CID_COUNT(bp),\ ILT_PAGE_CIDS)) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 62c59eda1239..a6704b555042 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -13632,6 +13632,10 @@ void bnx2x_setup_cnic_info(struct bnx2x *bp) cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID(bp); cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID(bp); + DP(NETIF_MSG_IFUP, "BNX2X_1st_NON_L2_ETH_CID(bp) %x, cp->starting_cid %x, cp->fcoe_init_cid %x, cp->iscsi_l2_cid %x\n", + BNX2X_1st_NON_L2_ETH_CID(bp), cp->starting_cid, cp->fcoe_init_cid, + cp->iscsi_l2_cid); + if (NO_ISCSI_OOO(bp)) cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO; } diff --git a/drivers/net/ethernet/broadcom/cnic.c b/drivers/net/ethernet/broadcom/cnic.c index 8142480d9770..93da16b36df0 100644 --- a/drivers/net/ethernet/broadcom/cnic.c +++ b/drivers/net/ethernet/broadcom/cnic.c @@ -5217,7 +5217,8 @@ static void cnic_init_rings(struct cnic_dev *dev) "iSCSI CLIENT_SETUP did not complete\n"); cnic_spq_completion(dev, DRV_CTL_RET_L2_SPQ_CREDIT_CMD, 1); cnic_ring_ctl(dev, cid, cli, 1); - *cid_ptr = cid; + *cid_ptr = cid >> 4; + *(cid_ptr + 1) = cid * bp->db_size; } } |