net/bnxt: fix Rx checksum flags

For frames where the hardware is not able to calculate checksum
we are indicating such frames to be bad. And that is incorrect.
Indicate PKT_RX_IP_CKSUM_UNKNOWN or PKT_RX_L4_CKSUM_UNKNOWN
for such frames.

Fixes: 7ec39d8c524b ("net/bnxt: update status of Rx IP/L4 CKSUM")
Cc: stable@dpdk.org
Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>

diff --git a/drivers/net/bnxt/bnxt_rxr.c b/drivers/net/bnxt/bnxt_rxr.c
index a8b5d66..9d88429 100644 (file)
--- a/drivers/net/bnxt/bnxt_rxr.c
+++ b/drivers/net/bnxt/bnxt_rxr.c
@@ -464,11 +464,15 @@ static int bnxt_rx_pkt(struct rte_mbuf **rx_pkt,
 
        if (likely(RX_CMP_IP_CS_OK(rxcmp1)))
                mbuf->ol_flags |= PKT_RX_IP_CKSUM_GOOD;
+       else if (likely(RX_CMP_IP_CS_UNKNOWN(rxcmp1)))
+               mbuf->ol_flags |= PKT_RX_IP_CKSUM_UNKNOWN;
        else
                mbuf->ol_flags |= PKT_RX_IP_CKSUM_BAD;
 
        if (likely(RX_CMP_L4_CS_OK(rxcmp1)))
                mbuf->ol_flags |= PKT_RX_L4_CKSUM_GOOD;
+       else if (likely(RX_CMP_L4_CS_UNKNOWN(rxcmp1)))
+               mbuf->ol_flags |= PKT_RX_L4_CKSUM_UNKNOWN;
        else
                mbuf->ol_flags |= PKT_RX_L4_CKSUM_BAD;
 

diff --git a/drivers/net/bnxt/bnxt_rxr.h b/drivers/net/bnxt/bnxt_rxr.h
index e8c47ca..5b28f03 100644 (file)
--- a/drivers/net/bnxt/bnxt_rxr.h
+++ b/drivers/net/bnxt/bnxt_rxr.h
@@ -36,6 +36,9 @@
            (((rxcmp1)->flags2 & RX_CMP_L4_CS_BITS) &&          \
             !((rxcmp1)->errors_v2 & RX_CMP_L4_CS_ERR_BITS))
 
+#define RX_CMP_L4_CS_UNKNOWN(rxcmp1)                                   \
+           !((rxcmp1)->flags2 & RX_CMP_L4_CS_BITS)
+
 #define RX_CMP_IP_CS_ERR_BITS  \
        rte_cpu_to_le_32(RX_PKT_CMPL_ERRORS_IP_CS_ERROR | \
                         RX_PKT_CMPL_ERRORS_T_IP_CS_ERROR)
@@ -48,6 +51,9 @@
                (((rxcmp1)->flags2 & RX_CMP_IP_CS_BITS) &&      \
                !((rxcmp1)->errors_v2 & RX_CMP_IP_CS_ERR_BITS))
 
+#define RX_CMP_IP_CS_UNKNOWN(rxcmp1)                                   \
+               !((rxcmp1)->flags2 & RX_CMP_IP_CS_BITS)
+
 enum pkt_hash_types {
        PKT_HASH_TYPE_NONE,     /* Undefined type */
        PKT_HASH_TYPE_L2,       /* Input: src_MAC, dest_MAC */