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Commit 56712624 authored by Lakshit Tyagi's avatar Lakshit Tyagi Committed by Gerrit - the friendly Code Review server
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data-kernel: emac: Resolving EMAC crash 



 - resolve EMAC crash caused due improper ip header handling

Change-Id: Ia9d4249592a2a0dcfa492cd07dcf25fdf62f70e7
Signed-off-by: default avatarLakshit Tyagi <ltyagi@codeaurora.org>
parent e0ec164b

drivers/emac-dwc-eqos/DWC_ETH_QOS_drv.c

+6 −2
Original line number Diff line number Diff line
@@ -2429,6 +2429,7 @@ inline UINT DWC_ETH_QOS_cal_int_mod(struct sk_buff *skb, UINT eth_type, 
	struct DWC_ETH_QOS_prv_data *pdata)

{

	UINT ret = DEFAULT_INT_MOD;

	bool is_udp;



#ifdef DWC_ETH_QOS_CONFIG_PTP

	if (eth_type == ETH_P_1588)
@@ -2439,8 +2440,11 @@ inline UINT DWC_ETH_QOS_cal_int_mod(struct sk_buff *skb, UINT eth_type, 
		ret = AVB_INT_MOD;

	} else if (eth_type == ETH_P_IP || eth_type == ETH_P_IPV6) {

#ifdef DWC_ETH_QOS_CONFIG_PTP

		if (udp_hdr(skb)->dest == htons(PTP_UDP_EV_PORT)

			|| udp_hdr(skb)->dest == htons(PTP_UDP_GEN_PORT)) {

		is_udp = (eth_type == ETH_P_IP && ip_hdr(skb)->protocol == IPPROTO_UDP)

						|| (eth_type == ETH_P_IPV6 && ipv6_hdr(skb)->nexthdr == IPPROTO_UDP);



		if (is_udp && (udp_hdr(skb)->dest == htons(PTP_UDP_EV_PORT)

			|| udp_hdr(skb)->dest == htons(PTP_UDP_GEN_PORT))) {

			ret = PTP_INT_MOD;

		} else

#endif