These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / net / ethernet / via / via-velocity.c

diff --git a/kernel/drivers/net/ethernet/via/via-velocity.c b/kernel/drivers/net/ethernet/via/via-velocity.c
index ae68afd..f38696c 100644 (file)
--- a/kernel/drivers/net/ethernet/via/via-velocity.c
+++ b/kernel/drivers/net/ethernet/via/via-velocity.c
@@ -345,13 +345,6 @@ VELOCITY_PARAM(flow_control, "Enable flow control ability");
 */
 VELOCITY_PARAM(speed_duplex, "Setting the speed and duplex mode");
 
-#define VAL_PKT_LEN_DEF     0
-/* ValPktLen[] is used for setting the checksum offload ability of NIC.
-   0: Receive frame with invalid layer 2 length (Default)
-   1: Drop frame with invalid layer 2 length
-*/
-VELOCITY_PARAM(ValPktLen, "Receiving or Drop invalid 802.3 frame");
-
 #define WOL_OPT_DEF     0
 #define WOL_OPT_MIN     0
 #define WOL_OPT_MAX     7
@@ -494,7 +487,6 @@ static void velocity_get_options(struct velocity_opt *opts, int index,
 
        velocity_set_int_opt(&opts->flow_cntl, flow_control[index], FLOW_CNTL_MIN, FLOW_CNTL_MAX, FLOW_CNTL_DEF, "flow_control", devname);
        velocity_set_bool_opt(&opts->flags, IP_byte_align[index], IP_ALIG_DEF, VELOCITY_FLAGS_IP_ALIGN, "IP_byte_align", devname);
-       velocity_set_bool_opt(&opts->flags, ValPktLen[index], VAL_PKT_LEN_DEF, VELOCITY_FLAGS_VAL_PKT_LEN, "ValPktLen", devname);
        velocity_set_int_opt((int *) &opts->spd_dpx, speed_duplex[index], MED_LNK_MIN, MED_LNK_MAX, MED_LNK_DEF, "Media link mode", devname);
        velocity_set_int_opt(&opts->wol_opts, wol_opts[index], WOL_OPT_MIN, WOL_OPT_MAX, WOL_OPT_DEF, "Wake On Lan options", devname);
        opts->numrx = (opts->numrx & ~3);
@@ -2055,8 +2047,9 @@ static int velocity_receive_frame(struct velocity_info *vptr, int idx)
        int pkt_len = le16_to_cpu(rd->rdesc0.len) & 0x3fff;
        struct sk_buff *skb;
 
-       if (rd->rdesc0.RSR & (RSR_STP | RSR_EDP)) {
-               VELOCITY_PRT(MSG_LEVEL_VERBOSE, KERN_ERR " %s : the received frame spans multiple RDs.\n", vptr->netdev->name);
+       if (unlikely(rd->rdesc0.RSR & (RSR_STP | RSR_EDP | RSR_RL))) {
+               if (rd->rdesc0.RSR & (RSR_STP | RSR_EDP))
+                       VELOCITY_PRT(MSG_LEVEL_VERBOSE, KERN_ERR " %s : the received frame spans multiple RDs.\n", vptr->netdev->name);
                stats->rx_length_errors++;
                return -EINVAL;
        }
@@ -2069,17 +2062,6 @@ static int velocity_receive_frame(struct velocity_info *vptr, int idx)
        dma_sync_single_for_cpu(vptr->dev, rd_info->skb_dma,
                                    vptr->rx.buf_sz, DMA_FROM_DEVICE);
 
-       /*
-        *      Drop frame not meeting IEEE 802.3
-        */
-
-       if (vptr->flags & VELOCITY_FLAGS_VAL_PKT_LEN) {
-               if (rd->rdesc0.RSR & RSR_RL) {
-                       stats->rx_length_errors++;
-                       return -EINVAL;
-               }
-       }
-
        velocity_rx_csum(rd, skb);
 
        if (velocity_rx_copy(&skb, pkt_len, vptr) < 0) {