diff options
author | Ariel Elior <ariele@broadcom.com> | 2013-01-01 05:22:30 (GMT) |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2013-01-02 09:45:06 (GMT) |
commit | dc1ba591463ca0f7ba2ac9af6ee4a5305f27ca1f (patch) | |
tree | cd2d17baa1de216259f12242ca28babdc7469960 /drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h | |
parent | 381ac16b10ae9369ebbbd74bb52b970818f68022 (diff) | |
download | linux-fsl-qoriq-dc1ba591463ca0f7ba2ac9af6ee4a5305f27ca1f.tar.xz |
bnx2x: VF fastpath
When VF driver is transmitting it must supply the correct mac
address in the parsing BD. This is used for firmware validation
and enforcement and also for tx-switching.
Refactor interrupt ack flow to allow for different BAR addresses of
the hardware in the PF BAR vs the VF BAR.
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h')
-rw-r--r-- | drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h | 68 |
1 files changed, 33 insertions, 35 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h index 91e432d..6b0add2 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h @@ -499,6 +499,39 @@ int bnx2x_setup_tc(struct net_device *dev, u8 num_tc); /* select_queue callback */ u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb); +static inline void bnx2x_update_rx_prod(struct bnx2x *bp, + struct bnx2x_fastpath *fp, + u16 bd_prod, u16 rx_comp_prod, + u16 rx_sge_prod) +{ + struct ustorm_eth_rx_producers rx_prods = {0}; + u32 i; + + /* Update producers */ + rx_prods.bd_prod = bd_prod; + rx_prods.cqe_prod = rx_comp_prod; + rx_prods.sge_prod = rx_sge_prod; + + /* Make sure that the BD and SGE data is updated before updating the + * producers since FW might read the BD/SGE right after the producer + * is updated. + * This is only applicable for weak-ordered memory model archs such + * as IA-64. The following barrier is also mandatory since FW will + * assumes BDs must have buffers. + */ + wmb(); + + for (i = 0; i < sizeof(rx_prods)/4; i++) + REG_WR(bp, fp->ustorm_rx_prods_offset + i*4, + ((u32 *)&rx_prods)[i]); + + mmiowb(); /* keep prod updates ordered */ + + DP(NETIF_MSG_RX_STATUS, + "queue[%d]: wrote bd_prod %u cqe_prod %u sge_prod %u\n", + fp->index, bd_prod, rx_comp_prod, rx_sge_prod); +} + /* reload helper */ int bnx2x_reload_if_running(struct net_device *dev); @@ -507,9 +540,6 @@ int bnx2x_change_mac_addr(struct net_device *dev, void *p); /* NAPI poll Rx part */ int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget); -void bnx2x_update_rx_prod(struct bnx2x *bp, struct bnx2x_fastpath *fp, - u16 bd_prod, u16 rx_comp_prod, u16 rx_sge_prod); - /* NAPI poll Tx part */ int bnx2x_tx_int(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata); @@ -612,38 +642,6 @@ static inline void bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp) fp->fp_hc_idx = fp->sb_running_index[SM_RX_ID]; } -static inline void bnx2x_update_rx_prod_gen(struct bnx2x *bp, - struct bnx2x_fastpath *fp, u16 bd_prod, - u16 rx_comp_prod, u16 rx_sge_prod, u32 start) -{ - struct ustorm_eth_rx_producers rx_prods = {0}; - u32 i; - - /* Update producers */ - rx_prods.bd_prod = bd_prod; - rx_prods.cqe_prod = rx_comp_prod; - rx_prods.sge_prod = rx_sge_prod; - - /* - * Make sure that the BD and SGE data is updated before updating the - * producers since FW might read the BD/SGE right after the producer - * is updated. - * This is only applicable for weak-ordered memory model archs such - * as IA-64. The following barrier is also mandatory since FW will - * assumes BDs must have buffers. - */ - wmb(); - - for (i = 0; i < sizeof(rx_prods)/4; i++) - REG_WR(bp, start + i*4, ((u32 *)&rx_prods)[i]); - - mmiowb(); /* keep prod updates ordered */ - - DP(NETIF_MSG_RX_STATUS, - "queue[%d]: wrote bd_prod %u cqe_prod %u sge_prod %u\n", - fp->index, bd_prod, rx_comp_prod, rx_sge_prod); -} - static inline void bnx2x_igu_ack_sb_gen(struct bnx2x *bp, u8 igu_sb_id, u8 segment, u16 index, u8 op, u8 update, u32 igu_addr) |