diff options
Diffstat (limited to 'drivers/net/bnx2x/bnx2x_cmn.h')
| -rw-r--r-- | drivers/net/bnx2x/bnx2x_cmn.h | 137 |
1 files changed, 133 insertions, 4 deletions
diff --git a/drivers/net/bnx2x/bnx2x_cmn.h b/drivers/net/bnx2x/bnx2x_cmn.h index 2fb9045833e1..41d0a177db7f 100644 --- a/drivers/net/bnx2x/bnx2x_cmn.h +++ b/drivers/net/bnx2x/bnx2x_cmn.h @@ -366,10 +366,77 @@ static inline void bnx2x_update_rx_prod(struct bnx2x *bp, 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) +{ + struct igu_regular cmd_data = {0}; + + cmd_data.sb_id_and_flags = + ((index << IGU_REGULAR_SB_INDEX_SHIFT) | + (segment << IGU_REGULAR_SEGMENT_ACCESS_SHIFT) | + (update << IGU_REGULAR_BUPDATE_SHIFT) | + (op << IGU_REGULAR_ENABLE_INT_SHIFT)); + DP(NETIF_MSG_HW, "write 0x%08x to IGU addr 0x%x\n", + cmd_data.sb_id_and_flags, igu_addr); + REG_WR(bp, igu_addr, cmd_data.sb_id_and_flags); + + /* Make sure that ACK is written */ + mmiowb(); + barrier(); +} -static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 sb_id, - u8 storm, u16 index, u8 op, u8 update) +static inline void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, + u8 idu_sb_id, bool is_Pf) +{ + u32 data, ctl, cnt = 100; + u32 igu_addr_data = IGU_REG_COMMAND_REG_32LSB_DATA; + u32 igu_addr_ctl = IGU_REG_COMMAND_REG_CTRL; + u32 igu_addr_ack = IGU_REG_CSTORM_TYPE_0_SB_CLEANUP + (idu_sb_id/32)*4; + u32 sb_bit = 1 << (idu_sb_id%32); + u32 func_encode = BP_FUNC(bp) | + ((is_Pf == true ? 1 : 0) << IGU_FID_ENCODE_IS_PF_SHIFT); + u32 addr_encode = IGU_CMD_E2_PROD_UPD_BASE + idu_sb_id; + + /* Not supported in BC mode */ + if (CHIP_INT_MODE_IS_BC(bp)) + return; + + data = (IGU_USE_REGISTER_cstorm_type_0_sb_cleanup + << IGU_REGULAR_CLEANUP_TYPE_SHIFT) | + IGU_REGULAR_CLEANUP_SET | + IGU_REGULAR_BCLEANUP; + + ctl = addr_encode << IGU_CTRL_REG_ADDRESS_SHIFT | + func_encode << IGU_CTRL_REG_FID_SHIFT | + IGU_CTRL_CMD_TYPE_WR << IGU_CTRL_REG_TYPE_SHIFT; + + DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n", + data, igu_addr_data); + REG_WR(bp, igu_addr_data, data); + mmiowb(); + barrier(); + DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n", + ctl, igu_addr_ctl); + REG_WR(bp, igu_addr_ctl, ctl); + mmiowb(); + barrier(); + + /* wait for clean up to finish */ + while (!(REG_RD(bp, igu_addr_ack) & sb_bit) && --cnt) + msleep(20); + + + if (!(REG_RD(bp, igu_addr_ack) & sb_bit)) { + DP(NETIF_MSG_HW, "Unable to finish IGU cleanup: " + "idu_sb_id %d offset %d bit %d (cnt %d)\n", + idu_sb_id, idu_sb_id/32, idu_sb_id%32, cnt); + } +} + +static inline void bnx2x_hc_ack_sb(struct bnx2x *bp, u8 sb_id, + u8 storm, u16 index, u8 op, u8 update) { u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 + COMMAND_REG_INT_ACK); @@ -390,7 +457,37 @@ static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 sb_id, mmiowb(); barrier(); } -static inline u16 bnx2x_ack_int(struct bnx2x *bp) + +static inline void bnx2x_igu_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 segment, + u16 index, u8 op, u8 update) +{ + u32 igu_addr = BAR_IGU_INTMEM + (IGU_CMD_INT_ACK_BASE + igu_sb_id)*8; + + bnx2x_igu_ack_sb_gen(bp, igu_sb_id, segment, index, op, update, + igu_addr); +} + +static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 storm, + u16 index, u8 op, u8 update) +{ + if (bp->common.int_block == INT_BLOCK_HC) + bnx2x_hc_ack_sb(bp, igu_sb_id, storm, index, op, update); + else { + u8 segment; + + if (CHIP_INT_MODE_IS_BC(bp)) + segment = storm; + else if (igu_sb_id != bp->igu_dsb_id) + segment = IGU_SEG_ACCESS_DEF; + else if (storm == ATTENTION_ID) + segment = IGU_SEG_ACCESS_ATTN; + else + segment = IGU_SEG_ACCESS_DEF; + bnx2x_igu_ack_sb(bp, igu_sb_id, segment, index, op, update); + } +} + +static inline u16 bnx2x_hc_ack_int(struct bnx2x *bp) { u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 + COMMAND_REG_SIMD_MASK); @@ -399,13 +496,34 @@ static inline u16 bnx2x_ack_int(struct bnx2x *bp) DP(BNX2X_MSG_OFF, "read 0x%08x from HC addr 0x%x\n", result, hc_addr); + barrier(); + return result; +} + +static inline u16 bnx2x_igu_ack_int(struct bnx2x *bp) +{ + u32 igu_addr = (BAR_IGU_INTMEM + IGU_REG_SISR_MDPC_WMASK_LSB_UPPER*8); + u32 result = REG_RD(bp, igu_addr); + + DP(NETIF_MSG_HW, "read 0x%08x from IGU addr 0x%x\n", + result, igu_addr); + + barrier(); return result; } +static inline u16 bnx2x_ack_int(struct bnx2x *bp) +{ + barrier(); + if (bp->common.int_block == INT_BLOCK_HC) + return bnx2x_hc_ack_int(bp); + else + return bnx2x_igu_ack_int(bp); +} + /* * fast path service functions */ - static inline int bnx2x_has_tx_work_unload(struct bnx2x_fastpath *fp) { /* Tell compiler that consumer and producer can change */ @@ -456,6 +574,17 @@ static inline int bnx2x_has_rx_work(struct bnx2x_fastpath *fp) rx_cons_sb++; return (fp->rx_comp_cons != rx_cons_sb); } +/** + * disables tx from stack point of view + * + * @param bp + */ +static inline void bnx2x_tx_disable(struct bnx2x *bp) +{ + netif_tx_disable(bp->dev); + netif_carrier_off(bp->dev); +} + static inline void bnx2x_free_rx_sge(struct bnx2x *bp, struct bnx2x_fastpath *fp, u16 index) { |