MFC: r333792

Avoid spurious warnings when hardware LRO is enabled by not attempting
to configure invalid VNICs.

Approved by: re (gjb)
Submitted by: bhargava.marreddy@broadcom.com
Sponsored by: Broadcom Limited

MFC: r308728, r314369, r315243, r316026, r316581, r316616, r318359,
r319922, r319990, r321481, r323232-323233, r323321, r323874, r323955,
r324323, r324964, r325169, r325488, r325620, r326985, r326999-327001,
r327003, r329335

Update bnxt to latest -CURRENT.

Approved by: re (gjb@)
Differential Revision: https://reviews.freebsd.org/D15143

Merge iflib changes to 11-STABLE

MFC r300147, r300153, r300154, r300215, r301563, r301567,
r302372, r307560, r307562, r307563, r307568, r308792, r311039,
r311837, r312755, r312903, r312905, r312924, r313248, r315217,
r315245, r315288, r316278, r316281, r316502, r316596, r317756,
r319917, r319921, r319984, r319989, r320059, r320609, r320611,
r321253, r321629, r321630, r322337, r322338, r322823, r323077,
r323825, r323876, r323879, r323887, r323941, r323942, r323943,
r323944, r323954, r324038, r324318, r324937, r325166, r325167,
r325168, r325201, r325241, r325245, r325487, r325494, r325901,
r326033, r326369, r326370, r326432, r326577, r326578, r326702,
r326706, r326775, r327013, r327017, r327052, r327072, r327098,
r327242, r327244, r327247, r329651, r329742, r330289, r330715,
r330721, r332419, r332422, r332729

Reviewed by: sbruno
Approved by: re (delphij@)
Sponsored by: Limelight Networks
Differential Revision: https://reviews.freebsd.org/D15142

MFC r308696, r308729, r308787, r308813, r309028, r309073, r309078:

r308696:
New driver for Broadcom NetXtreme-C and NetXtreme-E devices.

r308729:
Add bnxt(4) to the hardware notes.

r308787:
Add missing newline in error mesage

r308813:
Check link status after init

r309028:
Add missing break to switch statement

r309073:
Fix version string

r309078:
Add new device IDs

Approved by: sbruno
Relnotes: yes
Sponsored by: Broadcom Limited