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  1. 24 1月, 2017 7 次提交
    • D
      bpf: Add tests for the lpm trie map · 4d3381f5
      由 David Herrmann 提交于 
      The first part of this program runs randomized tests against the
lpm-bpf-map. It implements a "Trivial Longest Prefix Match" (tlpm)
based on simple, linear, single linked lists. The implementation
should be pretty straightforward.

Based on tlpm, this inserts randomized data into bpf-lpm-maps and
verifies the trie-based bpf-map implementation behaves the same way
as tlpm.

The second part uses 'real world' IPv4 and IPv6 addresses and tests
the trie with those.
Signed-off-by: NDavid Herrmann <dh.herrmann@gmail.com>
Signed-off-by: NDaniel Mack <daniel@zonque.org>
Acked-by: NAlexei Starovoitov <ast@kernel.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      4d3381f5
    • D
      bpf: add a longest prefix match trie map implementation · b95a5c4d
      由 Daniel Mack 提交于 
      This trie implements a longest prefix match algorithm that can be used
to match IP addresses to a stored set of ranges.

Internally, data is stored in an unbalanced trie of nodes that has a
maximum height of n, where n is the prefixlen the trie was created
with.

Tries may be created with prefix lengths that are multiples of 8, in
the range from 8 to 2048. The key used for lookup and update operations
is a struct bpf_lpm_trie_key, and the value is a uint64_t.

The code carries more information about the internal implementation.
Signed-off-by: NDaniel Mack <daniel@zonque.org>
Reviewed-by: NDavid Herrmann <dh.herrmann@gmail.com>
Acked-by: NAlexei Starovoitov <ast@kernel.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      b95a5c4d
    • B
      net: xilinx: constify net_device_ops structure · 10eeb5e6
      由 Bhumika Goyal 提交于 
      Declare net_device_ops structure as const as it is only stored in
the netdev_ops field of a net_device structure. This field is of type
const, so net_device_ops structures having same properties can be made
const too.
Done using Coccinelle:

@r1 disable optional_qualifier@
identifier i;
position p;
@@
static struct net_device_ops i@p={...};

@ok1@
identifier r1.i;
position p;
struct net_device ndev;
@@
ndev.netdev_ops=&i@p

@bad@
position p!={r1.p,ok1.p};
identifier r1.i;
@@
i@p

@depends on !bad disable optional_qualifier@
identifier r1.i;
@@
+const
struct net_device_ops i;

File size before:
   text	   data	    bss	    dec	    hex	filename
   6201	    744	      0	   6945	   1b21 ethernet/xilinx/xilinx_emaclite.o

File size after:
   text	   data	    bss	    dec	    hex	filename
   6745	    192	      0	   6937	   1b19 ethernet/xilinx/xilinx_emaclite.o
Signed-off-by: NBhumika Goyal <bhumirks@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      10eeb5e6
    • B
      net: moxa: constify net_device_ops structures · 30bd2f52
      由 Bhumika Goyal 提交于 
      Declare net_device_ops structure as const as it is only stored in
the netdev_ops field of a net_device structure. This field is of type
const, so net_device_ops structures having same properties can be made
const too.
Done using Coccinelle:

@r1 disable optional_qualifier@
identifier i;
position p;
@@
static struct net_device_ops i@p={...};

@ok1@
identifier r1.i;
position p;
struct net_device ndev;
@@
ndev.netdev_ops=&i@p

@bad@
position p!={r1.p,ok1.p};
identifier r1.i;
@@
i@p

@depends on !bad disable optional_qualifier@
identifier r1.i;
@@
+const
struct net_device_ops i;

File size before:
   text	   data	    bss	    dec	    hex	filename
   4821	    744	      0	   5565	   15bd ethernet/moxa/moxart_ether.o

File size after:
   text	   data	    bss	    dec	    hex	filename
   5373	    192	      0	   5565	   15bd ethernet/moxa/moxart_ether.o
Signed-off-by: NBhumika Goyal <bhumirks@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      30bd2f52
    • T
      net: qcom/emac: claim the irq only when the device is opened · 4404323c
      由 Timur Tabi 提交于 
      During reset, functions emac_mac_down() and emac_mac_up() are called,
so we don't want to free and claim the IRQ unnecessarily.  Move those
operations to open/close.
Signed-off-by: NTimur Tabi <timur@codeaurora.org>
Reviewed-by: NLino Sanfilippo <LinoSanfilippo@gmx.de>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      4404323c
    • T
      net: qcom/emac: rename emac_phy to emac_sgmii and move it · 41c1093f
      由 Timur Tabi 提交于 
      The EMAC has an internal PHY that is often called the "SGMII".  This
SGMII is also connected to an external PHY, which is managed by phylib.
These dual PHYs often cause confusion.  In this case, the data structure
for managing the SGMII was mis-named and located in the wrong header file.

Structure emac_phy is renamed to emac_sgmii to clearly indicate it applies
to the internal PHY only.  It also also moved from emac_phy.h (which
supports the external PHY) to emac_sgmii.h (where it belongs).

To keep the changes minimal, only the structure name is changed, not
the names of any variables of that type.
Signed-off-by: NTimur Tabi <timur@codeaurora.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      41c1093f
    • E
      bnx2x: avoid two atomic ops per page on x86 · b9032741
      由 Eric Dumazet 提交于 
      Commit 4cace675 ("bnx2x: Alloc 4k fragment for each rx ring buffer
element") added extra put_page() and get_page() calls on arches where
PAGE_SIZE=4K like x86

Reorder things to avoid this overhead.
Signed-off-by: NEric Dumazet <edumazet@google.com>
Cc: Gabriel Krisman Bertazi <krisman@linux.vnet.ibm.com>
Cc: Yuval Mintz <Yuval.Mintz@cavium.com>
Cc: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      b9032741
  3. 23 1月, 2017 15 次提交
  5. 21 1月, 2017 18 次提交