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Take advantage of if_baudrate_pf and calculate an effective baud rate on

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all platforms (not just amd64) to compute an equivalent IB rate.
This commit is contained in:
John Baldwin 2012-10-18 15:44:27 +00:00
parent 989343faad
commit 345a795543
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=241697
1 changed files with 10 additions and 6 deletions
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16
sys/ofed/include/rdma/ib_addr.h
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@ -247,17 +247,21 @@ static inline int iboe_get_rate(struct net_device *dev)
#else
static inline int iboe_get_rate(struct net_device *dev)
{
#ifdef __amd64__
if (dev->if_baudrate >= IF_Gbps(40ULL))
uintmax_t baudrate;
int exp;
baudrate = dev->if_baudrate;
for (exp = dev->if_baudrate_pf; exp > 0; exp--)
baudrate *= 10;
if (baudrate >= IF_Gbps(40))
return IB_RATE_40_GBPS;
else if (dev->if_baudrate >= IF_Gbps(30ULL))
else if (baudrate >= IF_Gbps(30))
return IB_RATE_30_GBPS;
else if (dev->if_baudrate >= IF_Gbps(20ULL))
else if (baudrate >= IF_Gbps(20))
return IB_RATE_20_GBPS;
else if (dev->if_baudrate >= IF_Gbps(10ULL))
else if (baudrate >= IF_Gbps(10))
return IB_RATE_10_GBPS;
else
#endif
return IB_RATE_PORT_CURRENT;
}
#endif