Re: [dpdk-dev] [PATCH] bnx2x: set Ethernet address type during transmit for VF's

[Harish Patil <harish.patil@qlogic.com>]

>
>The original was always setting unicast.  While here, clean up some
>other references that also point into the Ethernet header.
>
>Signed-off-by: Chas Williams <3chas3@gmail.com>
>---
> drivers/net/bnx2x/bnx2x.c     | 23 +++++++++++++++--------
> drivers/net/bnx2x/ecore_hsi.h |  5 +++--
> 2 files changed, 18 insertions(+), 10 deletions(-)
>
>diff --git a/drivers/net/bnx2x/bnx2x.c b/drivers/net/bnx2x/bnx2x.c
>index 76444eb..294711f 100644
>--- a/drivers/net/bnx2x/bnx2x.c
>+++ b/drivers/net/bnx2x/bnx2x.c
>@@ -2177,25 +2177,32 @@ int bnx2x_tx_encap(struct bnx2x_tx_queue *txq,
>struct rte_mbuf **m_head, int m_p
>               bd_prod = NEXT_TX_BD(bd_prod);
>               if (IS_VF(sc)) {
>                       struct eth_tx_parse_bd_e2 *tx_parse_bd;
>-                      uint8_t *data = rte_pktmbuf_mtod(m0, uint8_t *);
>+                      const struct ether_hdr *eh = rte_pktmbuf_mtod(m0, struct ether_hdr *);
>+                      uint8_t mac_type = UNICAST_ADDRESS;
>
>                       tx_parse_bd =
>                           &txq->tx_ring[TX_BD(bd_prod, txq)].parse_bd_e2;
>+                      if (is_multicast_ether_addr(&eh->d_addr)) {

Minor comment. unlikely() may be used here to keep it consistent with base
driver.

>+                              if (is_broadcast_ether_addr(&eh->d_addr))
>+                                      mac_type = BROADCAST_ADDRESS;
>+                              else
>+                                      mac_type = MULTICAST_ADDRESS;
>+                      }
>                       tx_parse_bd->parsing_data =
>-                          (1 << ETH_TX_PARSE_BD_E2_ETH_ADDR_TYPE_SHIFT);
>+                          (mac_type << ETH_TX_PARSE_BD_E2_ETH_ADDR_TYPE_SHIFT);
>
>                       rte_memcpy(&tx_parse_bd->data.mac_addr.dst_hi,
>-                                 &data[0], 2);
>+                                 &eh->d_addr.addr_bytes[0], 2);
>                       rte_memcpy(&tx_parse_bd->data.mac_addr.dst_mid,
>-                                 &data[2], 2);
>+                                 &eh->d_addr.addr_bytes[2], 2);
>                       rte_memcpy(&tx_parse_bd->data.mac_addr.dst_lo,
>-                                 &data[4], 2);
>+                                 &eh->d_addr.addr_bytes[4], 2);
>                       rte_memcpy(&tx_parse_bd->data.mac_addr.src_hi,
>-                                 &data[6], 2);
>+                                 &eh->s_addr.addr_bytes[0], 2);
>                       rte_memcpy(&tx_parse_bd->data.mac_addr.src_mid,
>-                                 &data[8], 2);
>+                                 &eh->s_addr.addr_bytes[2], 2);
>                       rte_memcpy(&tx_parse_bd->data.mac_addr.src_lo,
>-                                 &data[10], 2);
>+                                 &eh->s_addr.addr_bytes[4], 2);
>
>                       tx_parse_bd->data.mac_addr.dst_hi =
>                           rte_cpu_to_be_16(tx_parse_bd->data.mac_addr.dst_hi);
>diff --git a/drivers/net/bnx2x/ecore_hsi.h b/drivers/net/bnx2x/ecore_hsi.h
>index a4ed9b5..6c11c5a 100644
>--- a/drivers/net/bnx2x/ecore_hsi.h
>+++ b/drivers/net/bnx2x/ecore_hsi.h
>@@ -4029,7 +4029,7 @@ struct double_regpair
>
>
> /*
>- * Ethernet address typesm used in ethernet tx BDs
>+ * Ethernet address types used in ethernet tx BDs
>  */
> enum eth_addr_type
> {
>@@ -4037,7 +4037,8 @@ enum eth_addr_type
>       UNICAST_ADDRESS,
>       MULTICAST_ADDRESS,
>       BROADCAST_ADDRESS,
>-      MAX_ETH_ADDR_TYPE};
>+      MAX_ETH_ADDR_TYPE
>+};
>
>
> /*
>--
>2.1.0
>
>

Acked-by: Harish Patil <harish.patil@qlogic.com>


Thanks,
Harish


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