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igb: clean up igb_txrx comments

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Reviewed by:	grehan
MFC after:	3 days
Differential Revision:	https://reviews.freebsd.org/D31227
This commit is contained in:
Kevin Bowling 2021-07-31 08:04:25 -07:00
parent d02e436353
commit ff01d6343f
1 changed files with 1 additions and 4 deletions
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5
sys/dev/e1000/igb_txrx.c
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@ -522,7 +522,6 @@ igb_rx_checksum(uint32_t staterr, if_rxd_info_t ri, uint32_t ptype)
uint16_t status = (uint16_t)staterr;
uint8_t errors = (uint8_t)(staterr >> 24);
/* Ignore Checksum bit is set */
if (__predict_false(status & E1000_RXD_STAT_IXSM))
return;
@ -537,9 +536,7 @@ igb_rx_checksum(uint32_t staterr, if_rxd_info_t ri, uint32_t ptype)
/* Valid L4E checksum */
if (__predict_true(status &
(E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS))) {
/* SCTP header present.
* XXXKB: ETQF doesn't appear to be used in igb?
*/
/* SCTP header present */
if (__predict_false((ptype & E1000_RXDADV_PKTTYPE_ETQF) == 0 &&
(ptype & E1000_RXDADV_PKTTYPE_SCTP) != 0)) {
ri->iri_csum_flags |= CSUM_SCTP_VALID;