Commit 404dc0fd authored by Michal Mazur's avatar Michal Mazur Committed by David S. Miller
Browse files

octeontx2-af: fix detection of IP layer 



Checksum and length checks are not enabled for IPv4 header with
options and IPv6 with extension headers.
To fix this a change in enum npc_kpu_lc_ltype is required which will
allow adjustment of LTYPE_MASK to detect all types of IP headers.

Fixes: 21e6699e ("octeontx2-af: Add NPC KPU profile")
Signed-off-by: default avatarMichal Mazur <mmazur2@marvell.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 845fe191

drivers/net/ethernet/marvell/octeontx2/af/npc.h

+6 −2
Original line number Diff line number Diff line
@@ -63,8 +63,13 @@ enum npc_kpu_lb_ltype { 
	NPC_LT_LB_CUSTOM1 = 0xF,

};



/* Don't modify ltypes up to IP6_EXT, otherwise length and checksum of IP

 * headers may not be checked correctly. IPv4 ltypes and IPv6 ltypes must

 * differ only at bit 0 so mask 0xE can be used to detect extended headers.

 */

enum npc_kpu_lc_ltype {

	NPC_LT_LC_IP = 1,

	NPC_LT_LC_PTP = 1,

	NPC_LT_LC_IP,

	NPC_LT_LC_IP_OPT,

	NPC_LT_LC_IP6,

	NPC_LT_LC_IP6_EXT,
@@ -72,7 +77,6 @@ enum npc_kpu_lc_ltype { 
	NPC_LT_LC_RARP,

	NPC_LT_LC_MPLS,

	NPC_LT_LC_NSH,

	NPC_LT_LC_PTP,

	NPC_LT_LC_FCOE,

	NPC_LT_LC_NGIO,

	NPC_LT_LC_CUSTOM0 = 0xE,