git: a24e9d851227 - stable/13 - e1000: HWCSUM excemption fixes

The branch stable/13 has been updated by kbowling:

URL: https://cgit.FreeBSD.org/src/commit/?id=a24e9d851227bd7e403befa77392e963859451bb

commit a24e9d851227bd7e403befa77392e963859451bb
Author:     Kevin Bowling <kbowling@FreeBSD.org>
AuthorDate: 2023-07-29 01:14:29 +0000
Commit:     Kevin Bowling <kbowling@FreeBSD.org>
CommitDate: 2023-08-04 01:22:59 +0000

    e1000: HWCSUM excemption fixes
    
    Also disable IPV6 checksum offload.
    
    Spell hw->mac.type < e1000_82543 as e1000_82542.  Confusingly, chips
    like 82540 and 82541 come later and do not have these issues.  There
    is no functional change here, as the enum was defined in such a way
    it worked correctly.  But this reads literally.
    
    (cherry picked from commit 38588749af45d738e6f548f15beb415c46ba8658)
---
 sys/dev/e1000/if_em.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/sys/dev/e1000/if_em.c b/sys/dev/e1000/if_em.c
index 6ceab6be2b8a..ad1780e03fc5 100644
--- a/sys/dev/e1000/if_em.c
+++ b/sys/dev/e1000/if_em.c
@@ -951,9 +951,10 @@ em_if_attach_pre(if_ctx_t ctx)
 		    CSUM_IP6_TCP | CSUM_IP6_UDP;
 
 		/* "PCI/PCI-X SDM 4.0" page 33 (b) - FDX requirement on these chips */
-		if (hw->mac.type < e1000_82543 || hw->mac.type == e1000_82547 ||
+		if (hw->mac.type == e1000_82542 || hw->mac.type == e1000_82547 ||
 		    hw->mac.type == e1000_82547_rev_2)
-			scctx->isc_capenable &= ~(IFCAP_HWCSUM|IFCAP_VLAN_HWCSUM);
+			scctx->isc_capenable &= ~(IFCAP_HWCSUM | IFCAP_VLAN_HWCSUM |
+			    IFCAP_HWCSUM_IPV6);
 		/* 82541ER doesn't do HW tagging */
 		if (hw->device_id == E1000_DEV_ID_82541ER || hw->device_id == E1000_DEV_ID_82541ER_LOM)
 			scctx->isc_capenable &= ~IFCAP_VLAN_HWTAGGING;