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Some minor improvement to some comments.

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This commit is contained in:
Gregory Nutt
2018-12-15 10:47:38 -06:00
parent 791be4566e
commit 69940ade76
2 changed files with 8 additions and 3 deletions
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arch/arm/src/samv7/Kconfig
+7 -2
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@@ -1821,13 +1821,18 @@ config SAMV7_EMAC0_NRXBUFFERS
descriptors that will be allocated The selected value must be an descriptors that will be allocated The selected value must be an
even power of 2. even power of 2.
NOTE that the defaut of 16 correspond to a total of only 2Kb of
RX buffering. That can easily exceeded on a busy network or with
large packet MTUs. You will know if this happens because you will
see the "Buffer Not Available (BNA)" receive error.
config SAMV7_EMAC0_NTXBUFFERS config SAMV7_EMAC0_NTXBUFFERS
int "Number of TX buffers" int "Number of TX buffers"
default 8 default 8
---help--- ---help---
EMAC buffer memory is segmented into full Ethernet packets (size EMAC buffer memory is segmented into full Ethernet packets (size
NET_BUFSIZE bytes). This setting provides the number of such packets CONFIG_NET_BUFSIZE bytes). This setting provides the number of such
that can be in flight. This is also equal to the number of TX packets that can be in flight. This is also equal to the number of TX
descriptors that will be allocated. descriptors that will be allocated.
config SAMV7_EMAC0_PHYADDR config SAMV7_EMAC0_PHYADDR
arch/arm/src/tiva/cc13xx/cc13xx_start.c
+1 -1
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@@ -280,7 +280,7 @@ void __start(void)
showprogress('F'); showprogress('F');
#endif #endif
/* Initialize onboard resources */ /* Initialize on-board resources */
tiva_boardinitialize(); tiva_boardinitialize();
showprogress('G'); showprogress('G');