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path: root/drivers/net/bnx2x/bnx2x_cmn.c
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Diffstat (limited to 'drivers/net/bnx2x/bnx2x_cmn.c')
-rw-r--r--drivers/net/bnx2x/bnx2x_cmn.c42
1 files changed, 26 insertions, 16 deletions
diff --git a/drivers/net/bnx2x/bnx2x_cmn.c b/drivers/net/bnx2x/bnx2x_cmn.c
index 94d5f59d5a6..0af361e4e3d 100644
--- a/drivers/net/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/bnx2x/bnx2x_cmn.c
@@ -1782,15 +1782,15 @@ exit_lbl:
1782} 1782}
1783#endif 1783#endif
1784 1784
1785static inline void bnx2x_set_pbd_gso_e2(struct sk_buff *skb, 1785static inline void bnx2x_set_pbd_gso_e2(struct sk_buff *skb, u32 *parsing_data,
1786 struct eth_tx_parse_bd_e2 *pbd, 1786 u32 xmit_type)
1787 u32 xmit_type)
1788{ 1787{
1789 pbd->parsing_data |= cpu_to_le16(skb_shinfo(skb)->gso_size) << 1788 *parsing_data |= (skb_shinfo(skb)->gso_size <<
1790 ETH_TX_PARSE_BD_E2_LSO_MSS_SHIFT; 1789 ETH_TX_PARSE_BD_E2_LSO_MSS_SHIFT) &
1790 ETH_TX_PARSE_BD_E2_LSO_MSS;
1791 if ((xmit_type & XMIT_GSO_V6) && 1791 if ((xmit_type & XMIT_GSO_V6) &&
1792 (ipv6_hdr(skb)->nexthdr == NEXTHDR_IPV6)) 1792 (ipv6_hdr(skb)->nexthdr == NEXTHDR_IPV6))
1793 pbd->parsing_data |= ETH_TX_PARSE_BD_E2_IPV6_WITH_EXT_HDR; 1793 *parsing_data |= ETH_TX_PARSE_BD_E2_IPV6_WITH_EXT_HDR;
1794} 1794}
1795 1795
1796/** 1796/**
@@ -1835,15 +1835,15 @@ static inline void bnx2x_set_pbd_gso(struct sk_buff *skb,
1835 * @return header len 1835 * @return header len
1836 */ 1836 */
1837static inline u8 bnx2x_set_pbd_csum_e2(struct bnx2x *bp, struct sk_buff *skb, 1837static inline u8 bnx2x_set_pbd_csum_e2(struct bnx2x *bp, struct sk_buff *skb,
1838 struct eth_tx_parse_bd_e2 *pbd, 1838 u32 *parsing_data, u32 xmit_type)
1839 u32 xmit_type)
1840{ 1839{
1841 pbd->parsing_data |= cpu_to_le16(tcp_hdrlen(skb)/4) << 1840 *parsing_data |= ((tcp_hdrlen(skb)/4) <<
1842 ETH_TX_PARSE_BD_E2_TCP_HDR_LENGTH_DW_SHIFT; 1841 ETH_TX_PARSE_BD_E2_TCP_HDR_LENGTH_DW_SHIFT) &
1842 ETH_TX_PARSE_BD_E2_TCP_HDR_LENGTH_DW;
1843 1843
1844 pbd->parsing_data |= cpu_to_le16(((unsigned char *)tcp_hdr(skb) - 1844 *parsing_data |= ((((u8 *)tcp_hdr(skb) - skb->data) / 2) <<
1845 skb->data) / 2) << 1845 ETH_TX_PARSE_BD_E2_TCP_HDR_START_OFFSET_W_SHIFT) &
1846 ETH_TX_PARSE_BD_E2_TCP_HDR_START_OFFSET_W_SHIFT; 1846 ETH_TX_PARSE_BD_E2_TCP_HDR_START_OFFSET_W;
1847 1847
1848 return skb_transport_header(skb) + tcp_hdrlen(skb) - skb->data; 1848 return skb_transport_header(skb) + tcp_hdrlen(skb) - skb->data;
1849} 1849}
@@ -1912,6 +1912,7 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
1912 struct eth_tx_bd *tx_data_bd, *total_pkt_bd = NULL; 1912 struct eth_tx_bd *tx_data_bd, *total_pkt_bd = NULL;
1913 struct eth_tx_parse_bd_e1x *pbd_e1x = NULL; 1913 struct eth_tx_parse_bd_e1x *pbd_e1x = NULL;
1914 struct eth_tx_parse_bd_e2 *pbd_e2 = NULL; 1914 struct eth_tx_parse_bd_e2 *pbd_e2 = NULL;
1915 u32 pbd_e2_parsing_data = 0;
1915 u16 pkt_prod, bd_prod; 1916 u16 pkt_prod, bd_prod;
1916 int nbd, fp_index; 1917 int nbd, fp_index;
1917 dma_addr_t mapping; 1918 dma_addr_t mapping;
@@ -2033,8 +2034,9 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
2033 memset(pbd_e2, 0, sizeof(struct eth_tx_parse_bd_e2)); 2034 memset(pbd_e2, 0, sizeof(struct eth_tx_parse_bd_e2));
2034 /* Set PBD in checksum offload case */ 2035 /* Set PBD in checksum offload case */
2035 if (xmit_type & XMIT_CSUM) 2036 if (xmit_type & XMIT_CSUM)
2036 hlen = bnx2x_set_pbd_csum_e2(bp, 2037 hlen = bnx2x_set_pbd_csum_e2(bp, skb,
2037 skb, pbd_e2, xmit_type); 2038 &pbd_e2_parsing_data,
2039 xmit_type);
2038 } else { 2040 } else {
2039 pbd_e1x = &fp->tx_desc_ring[bd_prod].parse_bd_e1x; 2041 pbd_e1x = &fp->tx_desc_ring[bd_prod].parse_bd_e1x;
2040 memset(pbd_e1x, 0, sizeof(struct eth_tx_parse_bd_e1x)); 2042 memset(pbd_e1x, 0, sizeof(struct eth_tx_parse_bd_e1x));
@@ -2076,10 +2078,18 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
2076 bd_prod = bnx2x_tx_split(bp, fp, tx_buf, &tx_start_bd, 2078 bd_prod = bnx2x_tx_split(bp, fp, tx_buf, &tx_start_bd,
2077 hlen, bd_prod, ++nbd); 2079 hlen, bd_prod, ++nbd);
2078 if (CHIP_IS_E2(bp)) 2080 if (CHIP_IS_E2(bp))
2079 bnx2x_set_pbd_gso_e2(skb, pbd_e2, xmit_type); 2081 bnx2x_set_pbd_gso_e2(skb, &pbd_e2_parsing_data,
2082 xmit_type);
2080 else 2083 else
2081 bnx2x_set_pbd_gso(skb, pbd_e1x, xmit_type); 2084 bnx2x_set_pbd_gso(skb, pbd_e1x, xmit_type);
2082 } 2085 }
2086
2087 /* Set the PBD's parsing_data field if not zero
2088 * (for the chips newer than 57711).
2089 */
2090 if (pbd_e2_parsing_data)
2091 pbd_e2->parsing_data = cpu_to_le32(pbd_e2_parsing_data);
2092
2083 tx_data_bd = (struct eth_tx_bd *)tx_start_bd; 2093 tx_data_bd = (struct eth_tx_bd *)tx_start_bd;
2084 2094
2085 /* Handle fragmented skb */ 2095 /* Handle fragmented skb */