Merge "net: qualcomm: rmnet: Call the GRO handler for TCP packets only" (69725159) · Commits · e / devices / android_kernel_xiaomi_nabu

drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c

+23 −1

Original line number	Diff line number	Diff line
		@@ -16,6 +16,8 @@
		#include <linux/netdevice.h>
		#include <linux/netdev_features.h>
		#include <linux/if_arp.h>
		#include <linux/ip.h>
		#include <linux/ipv6.h>
		#include <net/sock.h>
		#include "rmnet_private.h"
		#include "rmnet_config.h"
		@@ -28,6 +30,22 @@

		/* Helper Functions */

		static int rmnet_check_skb_can_gro(struct sk_buff *skb)
		{
		switch(skb->protocol) {
		case htons(ETH_P_IP):
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
		return 0;
		break;
		case htons(ETH_P_IPV6):
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
		return 0;
		/* Fall through */
		}

		return -EPROTONOSUPPORT;
		}

		static void rmnet_set_skb_proto(struct sk_buff *skb)
		{
		switch (skb->data[0] & 0xF0) {
		@@ -56,7 +74,11 @@ rmnet_deliver_skb(struct sk_buff *skb)

		skb->pkt_type = PACKET_HOST;
		skb_set_mac_header(skb, 0);

		if (!rmnet_check_skb_can_gro(skb))
		gro_cells_receive(&priv->gro_cells, skb);
		else
		netif_receive_skb(skb);
		}

		/* MAP handler */