net/mlx4: refine Rx packet type report

This commit refines the Rx Packet type flags reported by the PMD
for each packet being received in order to make the report more
accurate.

Signed-off-by: Moti Haimovsky <motih@mellanox.com>
Acked-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>

diff --git a/drivers/net/mlx4/mlx4_prm.h b/drivers/net/mlx4/mlx4_prm.h
index e15a3c14dd9458eb73caed478d16b968e3613a12..b771d8c69b213558da1d136a69c38037064fbb39 100644 (file)
--- a/drivers/net/mlx4/mlx4_prm.h
+++ b/drivers/net/mlx4/mlx4_prm.h
@@ -51,6 +51,7 @@ enum {
 };
 
 /* CQE status flags. */
+#define MLX4_CQE_STATUS_IPV6F (1 << 12)
 #define MLX4_CQE_STATUS_IPV4 (1 << 22)
 #define MLX4_CQE_STATUS_IPV4F (1 << 23)
 #define MLX4_CQE_STATUS_IPV6 (1 << 24)

diff --git a/drivers/net/mlx4/mlx4_rxtx.c b/drivers/net/mlx4/mlx4_rxtx.c
index a92da66bd082351bece7c81f7fd4a3d81f797528..78b6dd5a7e448f5be1062d3d0b17e081575a412f 100644 (file)
--- a/drivers/net/mlx4/mlx4_rxtx.c
+++ b/drivers/net/mlx4/mlx4_rxtx.c
@@ -52,49 +52,58 @@ uint32_t mlx4_ptype_table[0x100] __rte_cache_aligned = {
         *  bit[4] - MLX4_CQE_STATUS_TCP
         *  bit[3] - MLX4_CQE_STATUS_IPV4OPT
         *  bit[2] - MLX4_CQE_STATUS_IPV6
-        *  bit[1] - MLX4_CQE_STATUS_IPV4F
+        *  bit[1] - MLX4_CQE_STATUS_IPF
         *  bit[0] - MLX4_CQE_STATUS_IPV4
         * giving a total of up to 256 entries.
         */
+       /* L2 */
        [0x00] = RTE_PTYPE_L2_ETHER,
+       /* L3 */
        [0x01] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
                     RTE_PTYPE_L4_NONFRAG,
        [0x02] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
                     RTE_PTYPE_L4_FRAG,
        [0x03] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
                     RTE_PTYPE_L4_FRAG,
-       [0x04] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
-       [0x09] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT,
+       [0x04] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
+                    RTE_PTYPE_L4_NONFRAG,
+       [0x06] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
+                    RTE_PTYPE_L4_FRAG,
+       [0x08] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT |
+                    RTE_PTYPE_L4_NONFRAG,
+       [0x09] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT |
+                    RTE_PTYPE_L4_NONFRAG,
        [0x0a] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT |
                     RTE_PTYPE_L4_FRAG,
+       [0x0b] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT |
+                    RTE_PTYPE_L4_FRAG,
+       /* TCP */
        [0x11] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
                     RTE_PTYPE_L4_TCP,
-       [0x12] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
-                    RTE_PTYPE_L4_TCP,
        [0x14] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
                     RTE_PTYPE_L4_TCP,
+       [0x16] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
+                    RTE_PTYPE_L4_FRAG,
        [0x18] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT |
                     RTE_PTYPE_L4_TCP,
        [0x19] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT |
                     RTE_PTYPE_L4_TCP,
-       [0x1a] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT |
-                    RTE_PTYPE_L4_TCP,
+       /* UDP */
        [0x21] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
                     RTE_PTYPE_L4_UDP,
-       [0x22] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
-                    RTE_PTYPE_L4_UDP,
        [0x24] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
                     RTE_PTYPE_L4_UDP,
+       [0x26] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
+                    RTE_PTYPE_L4_FRAG,
        [0x28] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT |
                     RTE_PTYPE_L4_UDP,
        [0x29] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT |
                     RTE_PTYPE_L4_UDP,
-       [0x2a] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT |
-                    RTE_PTYPE_L4_UDP,
        /* Tunneled - L3 IPV6 */
        [0x80] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
        [0x81] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN,
+                    RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
+                    RTE_PTYPE_INNER_L4_NONFRAG,
        [0x82] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
                     RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
                     RTE_PTYPE_INNER_L4_FRAG,
@@ -102,65 +111,58 @@ uint32_t mlx4_ptype_table[0x100] __rte_cache_aligned = {
                     RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
                     RTE_PTYPE_INNER_L4_FRAG,
        [0x84] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN,
+                    RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
+                    RTE_PTYPE_INNER_L4_NONFRAG,
+       [0x86] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
+                    RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
+                    RTE_PTYPE_INNER_L4_FRAG,
        [0x88] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L3_IPV4_EXT,
+                    RTE_PTYPE_INNER_L3_IPV4_EXT |
+                    RTE_PTYPE_INNER_L4_NONFRAG,
        [0x89] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L3_IPV4_EXT,
+                    RTE_PTYPE_INNER_L3_IPV4_EXT |
+                    RTE_PTYPE_INNER_L4_NONFRAG,
        [0x8a] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L3_IPV4_EXT | RTE_PTYPE_INNER_L4_FRAG,
+                    RTE_PTYPE_INNER_L3_IPV4_EXT |
+                    RTE_PTYPE_INNER_L4_FRAG,
+       [0x8b] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
+                    RTE_PTYPE_INNER_L3_IPV4_EXT |
+                    RTE_PTYPE_INNER_L4_FRAG,
        /* Tunneled - L3 IPV6, TCP */
        [0x91] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
                     RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
                     RTE_PTYPE_INNER_L4_TCP,
-       [0x92] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L4_FRAG |
-                    RTE_PTYPE_INNER_L4_TCP,
-       [0x93] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L4_FRAG |
-                    RTE_PTYPE_INNER_L4_TCP,
        [0x94] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
                     RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
                     RTE_PTYPE_INNER_L4_TCP,
+       [0x96] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
+                    RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
+                    RTE_PTYPE_INNER_L4_FRAG,
        [0x98] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L3_IPV4_EXT |
-                    RTE_PTYPE_INNER_L4_TCP,
+                    RTE_PTYPE_INNER_L3_IPV4_EXT | RTE_PTYPE_INNER_L4_TCP,
        [0x99] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L3_IPV4_EXT |
-                    RTE_PTYPE_INNER_L4_TCP,
-       [0x9a] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L3_IPV4_EXT | RTE_PTYPE_INNER_L4_FRAG |
-                    RTE_PTYPE_INNER_L4_TCP,
+                    RTE_PTYPE_INNER_L3_IPV4_EXT | RTE_PTYPE_INNER_L4_TCP,
        /* Tunneled - L3 IPV6, UDP */
-       [0xa1] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L4_UDP,
-       [0xa2] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
+       [0xa1] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
                     RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L4_FRAG |
                     RTE_PTYPE_INNER_L4_UDP,
-       [0xa3] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L4_FRAG |
-                    RTE_PTYPE_INNER_L4_UDP,
-       [0xa4] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
+       [0xa4] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
                     RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
                     RTE_PTYPE_INNER_L4_UDP,
-       [0xa8] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
+       [0xa6] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
+                    RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
+                    RTE_PTYPE_INNER_L4_FRAG,
+       [0xa8] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
                     RTE_PTYPE_INNER_L3_IPV4_EXT |
                     RTE_PTYPE_INNER_L4_UDP,
-       [0xa9] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
+       [0xa9] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
                     RTE_PTYPE_INNER_L3_IPV4_EXT |
                     RTE_PTYPE_INNER_L4_UDP,
-       [0xaa] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L3_IPV4_EXT | RTE_PTYPE_INNER_L4_FRAG |
-                    RTE_PTYPE_INNER_L4_UDP,
        /* Tunneled - L3 IPV4 */
        [0xc0] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
        [0xc1] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN,
+                    RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
+                    RTE_PTYPE_INNER_L4_NONFRAG,
        [0xc2] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
                     RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
                     RTE_PTYPE_INNER_L4_FRAG,
@@ -168,65 +170,54 @@ uint32_t mlx4_ptype_table[0x100] __rte_cache_aligned = {
                     RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
                     RTE_PTYPE_INNER_L4_FRAG,
        [0xc4] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN,
+                    RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
+                    RTE_PTYPE_INNER_L4_NONFRAG,
+       [0xc6] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
+                    RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
+                    RTE_PTYPE_INNER_L4_FRAG,
        [0xc8] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L3_IPV4_EXT,
+                    RTE_PTYPE_INNER_L3_IPV4_EXT |
+                    RTE_PTYPE_INNER_L4_NONFRAG,
        [0xc9] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L3_IPV4_EXT,
+                    RTE_PTYPE_INNER_L3_IPV4_EXT |
+                    RTE_PTYPE_INNER_L4_NONFRAG,
        [0xca] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
                     RTE_PTYPE_INNER_L3_IPV4_EXT |
                     RTE_PTYPE_INNER_L4_FRAG,
+       [0xcb] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
+                    RTE_PTYPE_INNER_L3_IPV4_EXT |
+                    RTE_PTYPE_INNER_L4_FRAG,
        /* Tunneled - L3 IPV4, TCP */
-       [0xd0] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L4_TCP,
        [0xd1] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
                     RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
                     RTE_PTYPE_INNER_L4_TCP,
-       [0xd2] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L4_FRAG |
-                    RTE_PTYPE_INNER_L4_TCP,
-       [0xd3] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L4_FRAG |
-                    RTE_PTYPE_INNER_L4_TCP,
        [0xd4] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
                     RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
                     RTE_PTYPE_INNER_L4_TCP,
+       [0xd6] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
+                    RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
+                    RTE_PTYPE_INNER_L4_FRAG,
        [0xd8] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
                     RTE_PTYPE_INNER_L3_IPV4_EXT |
                     RTE_PTYPE_INNER_L4_TCP,
        [0xd9] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
                     RTE_PTYPE_INNER_L3_IPV4_EXT |
                     RTE_PTYPE_INNER_L4_TCP,
-       [0xda] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L3_IPV4_EXT | RTE_PTYPE_INNER_L4_FRAG |
-                    RTE_PTYPE_INNER_L4_TCP,
        /* Tunneled - L3 IPV4, UDP */
-       [0xe0] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L4_UDP,
        [0xe1] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
                     RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
                     RTE_PTYPE_INNER_L4_UDP,
-       [0xe2] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L4_FRAG |
-                    RTE_PTYPE_INNER_L4_UDP,
-       [0xe3] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L4_FRAG |
-                    RTE_PTYPE_INNER_L4_UDP,
        [0xe4] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
                     RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
                     RTE_PTYPE_INNER_L4_UDP,
+       [0xe6] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
+                    RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
+                    RTE_PTYPE_INNER_L4_FRAG,
        [0xe8] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L3_IPV4_EXT | RTE_PTYPE_INNER_L4_UDP,
+                    RTE_PTYPE_INNER_L3_IPV4_EXT |
+                    RTE_PTYPE_INNER_L4_UDP,
        [0xe9] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L3_IPV4_EXT | RTE_PTYPE_INNER_L4_UDP,
-       [0xea] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
-                    RTE_PTYPE_INNER_L3_IPV4_EXT | RTE_PTYPE_INNER_L4_FRAG |
+                    RTE_PTYPE_INNER_L3_IPV4_EXT |
                     RTE_PTYPE_INNER_L4_UDP,
 };
 
@@ -728,11 +719,13 @@ rxq_cq_to_pkt_type(volatile struct mlx4_cqe *cqe,
         *  bit[4] - MLX4_CQE_STATUS_TCP
         *  bit[3] - MLX4_CQE_STATUS_IPV4OPT
         *  bit[2] - MLX4_CQE_STATUS_IPV6
-        *  bit[1] - MLX4_CQE_STATUS_IPV4F
+        *  bit[1] - MLX4_CQE_STATUS_IPF
         *  bit[0] - MLX4_CQE_STATUS_IPV4
         * giving a total of up to 256 entries.
         */
        idx |= ((status & MLX4_CQE_STATUS_PTYPE_MASK) >> 22);
+       if (status & MLX4_CQE_STATUS_IPV6)
+               idx |= ((status & MLX4_CQE_STATUS_IPV6F) >> 11);
        return mlx4_ptype_table[idx];
 }