diff options
| author | Michal Kalderon <Michal.Kalderon@cavium.com> | 2017-09-24 12:09:45 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-09-26 11:22:03 -0700 |
| commit | 1e99c497012cd8647972876f1bd18545bc907aea (patch) | |
| tree | 67bca013cbe9090f430e7bf3b71db41ed65a2568 | |
| parent | 471115ab9804f45cb8e091e426c9c67fe75e41b0 (diff) | |
| download | linux-1e99c497012cd8647972876f1bd18545bc907aea.tar.bz2 | |
qed: iWARP - Add check for errors on a SYN packet
A SYN packet which arrives with errors from FW should be dropped.
This required adding an additional field to the ll2
rx completion data.
Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_iwarp.c | 8 | ||||
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_ll2.c | 1 | ||||
| -rw-r--r-- | include/linux/qed/qed_ll2_if.h | 1 |
3 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c index 568e9853cc8d..8fc9c811f6e3 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c +++ b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c @@ -1733,6 +1733,14 @@ qed_iwarp_ll2_comp_syn_pkt(void *cxt, struct qed_ll2_comp_rx_data *data) memset(&cm_info, 0, sizeof(cm_info)); ll2_syn_handle = p_hwfn->p_rdma_info->iwarp.ll2_syn_handle; + + /* Check if packet was received with errors... */ + if (data->err_flags) { + DP_NOTICE(p_hwfn, "Error received on SYN packet: 0x%x\n", + data->err_flags); + goto err; + } + if (GET_FIELD(data->parse_flags, PARSING_AND_ERR_FLAGS_L4CHKSMWASCALCULATED) && GET_FIELD(data->parse_flags, PARSING_AND_ERR_FLAGS_L4CHKSMERROR)) { diff --git a/drivers/net/ethernet/qlogic/qed/qed_ll2.c b/drivers/net/ethernet/qlogic/qed/qed_ll2.c index c06ad4f0758e..250afa5486cf 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_ll2.c +++ b/drivers/net/ethernet/qlogic/qed/qed_ll2.c @@ -413,6 +413,7 @@ static void qed_ll2_rxq_parse_reg(struct qed_hwfn *p_hwfn, struct qed_ll2_comp_rx_data *data) { data->parse_flags = le16_to_cpu(p_cqe->rx_cqe_fp.parse_flags.flags); + data->err_flags = le16_to_cpu(p_cqe->rx_cqe_fp.err_flags.flags); data->length.packet_length = le16_to_cpu(p_cqe->rx_cqe_fp.packet_length); data->vlan = le16_to_cpu(p_cqe->rx_cqe_fp.vlan); diff --git a/include/linux/qed/qed_ll2_if.h b/include/linux/qed/qed_ll2_if.h index dd7a3b86bb9e..89fa0bbd54f3 100644 --- a/include/linux/qed/qed_ll2_if.h +++ b/include/linux/qed/qed_ll2_if.h @@ -101,6 +101,7 @@ struct qed_ll2_comp_rx_data { void *cookie; dma_addr_t rx_buf_addr; u16 parse_flags; + u16 err_flags; u16 vlan; bool b_last_packet; u8 connection_handle; |