Don't byte swap URE_TXPKT_VLAN_TAG when setting up the packet to transmit.

Fixes vlan transmission with hw tagging (problem seen on RTL8153B but there's
no reason this wouldn't apply to others) and matches what the Linux driver
is doing.  looks correct kettenis@ ok kevlo@

diff --git a/sys/dev/usb/if_ure.c b/sys/dev/usb/if_ure.c
index 4946163..186b2a6 100644 (file)
--- a/sys/dev/usb/if_ure.c
+++ b/sys/dev/usb/if_ure.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: if_ure.c,v 1.29 2022/04/02 12:22:56 kevlo Exp $       */
+/*     $OpenBSD: if_ure.c,v 1.30 2022/04/02 15:35:06 sthen Exp $       */
 /*-
  * Copyright (c) 2015, 2016, 2019 Kevin Lo <kevlo@openbsd.org>
  * Copyright (c) 2020 Jonathon Fletcher <jonathon.fletcher@gmail.com>
@@ -2142,7 +2142,7 @@ ure_encap_txpkt(struct mbuf *m, char *buf, uint32_t maxlen)
 
 #if NVLAN > 0
        if (m->m_flags & M_VLANTAG)
-               cflags |= swap16(m->m_pkthdr.ether_vtag | URE_TXPKT_VLAN_TAG);
+               cflags |= URE_TXPKT_VLAN_TAG | swap16(m->m_pkthdr.ether_vtag);
 #endif
 
        txhdr.ure_pktlen = htole32(m->m_pkthdr.len | URE_TXPKT_TX_FS |