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provide helper if_initbaudrate() to set if_baudrate_pf and if_baudrate_pf.

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again, use ixgbe(4) as an example of how to use new helper function.

Reviewed by:	jhb
MFC after:	1 week
This commit is contained in:
Maksim Yevmenkin 2012-10-17 19:24:13 +00:00
parent 458beb5d92
commit 608ae712d3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=241646
3 changed files with 14 additions and 3 deletions
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3
sys/dev/ixgbe/ixgbe.c
View File

@ -2597,8 +2597,7 @@ ixgbe_setup_interface(device_t dev, struct adapter *adapter)
return (-1);
}
if_initname(ifp, device_get_name(dev), device_get_unit(dev));
ifp->if_baudrate = IF_Gbps(1);
ifp->if_baudrate_pf = 1; /* 1Gbps * 10^1 = 10Gbps */
if_initbaudrate(ifp, IF_Gbps(10));
ifp->if_init = ixgbe_init;
ifp->if_softc = adapter;
ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;

2
sys/net/if.h
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@ -179,7 +179,7 @@ struct if_data {
* Some convenience macros used for setting ifi_baudrate.
* XXX 1000 vs. 1024? --thorpej@netbsd.org
*/
#define IF_Kbps(x) ((x) * 1000) /* kilobits/sec. */
#define IF_Kbps(x) ((uintmax_t)(x) * 1000) /* kilobits/sec. */
#define IF_Mbps(x) (IF_Kbps((x) * 1000)) /* megabits/sec. */
#define IF_Gbps(x) (IF_Mbps((x) * 1000)) /* gigabits/sec. */

12
sys/net/if_var.h
View File

@ -591,6 +591,18 @@ do { \
} while (0)
#ifdef _KERNEL
static __inline void
if_initbaudrate(struct ifnet *ifp, uintmax_t baud)
{
ifp->if_baudrate_pf = 0;
while (baud > (u_long)(~0UL)) {
baud /= 10;
ifp->if_baudrate_pf++;
}
ifp->if_baudrate = baud;
}
static __inline int
drbr_enqueue(struct ifnet *ifp, struct buf_ring *br, struct mbuf *m)
{