- Copy stable/10 (r259064) to releng/10.0 as part of the
10.0-RELEASE cycle.
- Update __FreeBSD_version [1]
- Set branch name to -RC1

[1] 10.0-CURRENT __FreeBSD_version value ended at '55', so
start releng/10.0 at '100' so the branch is started with
a value ending in zero.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Update cxgb include paths to not require prefixing with dev/cxgb

Submitted by: Chelsio Inc.

- fix qset to port binding as a proper fix for the problems encountered on the 4-port
- fix the use after free seen when sending packets small enough to fit as an immediate
and bpf peers are present
- update to firmware rev 4.7 along with various small vendor fixes

Supported by: Chelsio
Approved by: re (blanket)
MFC after: 3 days

- integrate most recent changes from vendor branch and upgrade to firmware revision 4.5.5
- add filter support
- further improvements for T304
- recover gracefully from spurious immediate packets

Approved by: re(blanket)
Supported by: Chelsio
MFC after: 3 days

- import new common code for the T304
- update to firmware version 4.1.0

- switch over to standard method for initializing cdevs (contributed by scottl@)
- break out timer_reclaim_task to be per-port
- move msix teardown into separate function
- fix bus_setup_intr for msi-x for the multi-port case so that msi-x resources
are not corrupted on unload
- handle 10/100/1000 base-T media and auto negotiation
- bind qset to cpu even for singleq case
- white space cleanups
- remove recursive PORT_LOCK
- move mtu setting to separate function
- stop and re-init port when changing mtu
- replace all direct references to m_data with calls to mtod
- handle attach failure better by not trying to de-initialize
taskqueues when they have not been allocated
- no longer default to jumbo frames

Sponsored by: Chelsio
MFC after: 3 days