doc:networking: Fix typo in documentation/networking
Correct spelling typo Signed-off-by: Masanari Iida <standby24x7@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
53edee2cfb
commit
3dd17edea0
@ -501,7 +501,7 @@ int main(int argc, char *argv[])
|
||||
|
||||
static short mif_flags;
|
||||
|
||||
/* Get the inteface configuration from the kernel. */
|
||||
/* Get the interface configuration from the kernel. */
|
||||
static int if_getconfig(char *ifname)
|
||||
{
|
||||
struct ifreq ifr;
|
||||
|
@ -183,7 +183,7 @@ tcp_early_retrans - INTEGER
|
||||
for triggering fast retransmit when the amount of outstanding data is
|
||||
small and when no previously unsent data can be transmitted (such
|
||||
that limited transmit could be used). Also controls the use of
|
||||
Tail loss probe (TLP) that converts RTOs occuring due to tail
|
||||
Tail loss probe (TLP) that converts RTOs occurring due to tail
|
||||
losses into fast recovery (draft-dukkipati-tcpm-tcp-loss-probe-01).
|
||||
Possible values:
|
||||
0 disables ER
|
||||
|
@ -54,7 +54,7 @@ it will use an allocated socket buffer as usual and the contents will be
|
||||
copied to the ring on transmission, nullifying most of the performance gains.
|
||||
Dumps of kernel databases automatically support memory mapped I/O.
|
||||
|
||||
Conversion of the transmit path involves changing message contruction to
|
||||
Conversion of the transmit path involves changing message construction to
|
||||
use memory from the TX ring instead of (usually) a buffer declared on the
|
||||
stack and setting up the frame header approriately. Optionally poll() can
|
||||
be used to wait for free frames in the TX ring.
|
||||
@ -65,8 +65,8 @@ Structured and definitions for using memory mapped I/O are contained in
|
||||
RX and TX rings
|
||||
----------------
|
||||
|
||||
Each ring contains a number of continous memory blocks, containing frames of
|
||||
fixed size dependant on the parameters used for ring setup.
|
||||
Each ring contains a number of continuous memory blocks, containing frames of
|
||||
fixed size dependent on the parameters used for ring setup.
|
||||
|
||||
Ring: [ block 0 ]
|
||||
[ frame 0 ]
|
||||
@ -80,7 +80,7 @@ Ring: [ block 0 ]
|
||||
[ frame 2 * n + 1 ]
|
||||
|
||||
The blocks are only visible to the kernel, from the point of view of user-space
|
||||
the ring just contains the frames in a continous memory zone.
|
||||
the ring just contains the frames in a continuous memory zone.
|
||||
|
||||
The ring parameters used for setting up the ring are defined as follows:
|
||||
|
||||
@ -91,7 +91,7 @@ struct nl_mmap_req {
|
||||
unsigned int nm_frame_nr;
|
||||
};
|
||||
|
||||
Frames are grouped into blocks, where each block is a continous region of memory
|
||||
Frames are grouped into blocks, where each block is a continuous region of memory
|
||||
and holds nm_block_size / nm_frame_size frames. The total number of frames in
|
||||
the ring is nm_frame_nr. The following invariants hold:
|
||||
|
||||
@ -113,8 +113,8 @@ Some parameters are constrained, specifically:
|
||||
|
||||
- nm_frame_nr must equal the actual number of frames as specified above.
|
||||
|
||||
When the kernel can't allocate phsyically continous memory for a ring block,
|
||||
it will fall back to use physically discontinous memory. This might affect
|
||||
When the kernel can't allocate phsyically continuous memory for a ring block,
|
||||
it will fall back to use physically discontinuous memory. This might affect
|
||||
performance negatively, in order to avoid this the nm_frame_size parameter
|
||||
should be chosen to be as small as possible for the required frame size and
|
||||
the number of blocks should be increased instead.
|
||||
|
Loading…
Reference in New Issue
Block a user