Re: [ath9k-devel] [PATCH v2 08/15] ath9k: remove ATH9K_MODE_11B

[Karl Hiramoto <karl@xxxxxxxxxxxx>]

Luis R. Rodriguez wrote:
> This saves us 2733 bytes.
>
>    text    data     bss     dec     hex filename
>  252265    3628    1584  257477   3edc5 ath9k-has-b-rate.ko
>  249905    3628    1584  255117   3e48d ath9k.ko
>
> Cc: Derek Smithies <derek@xxxxxxxxxxxxxx>
> Cc: Chittajit Mitra <Chittajit.Mitra@xxxxxxxxxxx>
> Siged-off-by: Luis R. Rodriguez <lrodriguez@xxxxxxxxxxx>
> ---
>  drivers/net/wireless/ath/ath9k/hw.c |    1 -
>  drivers/net/wireless/ath/ath9k/hw.h |    1 -
>  drivers/net/wireless/ath/ath9k/rc.c |   23 -----------------------
>  3 files changed, 0 insertions(+), 25 deletions(-)
>
> diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
> index 1579c94..de2c000 100644
> --- a/drivers/net/wireless/ath/ath9k/hw.c
> +++ b/drivers/net/wireless/ath/ath9k/hw.c
> @@ -3294,7 +3294,6 @@ void ath9k_hw_fill_cap_info(struct ath_hw *ah)
>  	}
>  
>  	if (eeval & AR5416_OPFLAGS_11G) {
> -		set_bit(ATH9K_MODE_11B, pCap->wireless_modes);
>  		set_bit(ATH9K_MODE_11G, pCap->wireless_modes);
>  		if (ah->config.ht_enable) {
>  			if (!(eeval & AR5416_OPFLAGS_N_2G_HT20))
> diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
> index dd8508e..73d859e 100644
> --- a/drivers/net/wireless/ath/ath9k/hw.h
> +++ b/drivers/net/wireless/ath/ath9k/hw.h
> @@ -113,7 +113,6 @@
>  
>  enum wireless_mode {
>  	ATH9K_MODE_11A = 0,
> -	ATH9K_MODE_11B = 2,
>  	ATH9K_MODE_11G = 3,
>  	ATH9K_MODE_11NA_HT20 = 6,
>  	ATH9K_MODE_11NG_HT20 = 7,
> diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
> index 01586d2..980040b 100644
> --- a/drivers/net/wireless/ath/ath9k/rc.c
> +++ b/drivers/net/wireless/ath/ath9k/rc.c
> @@ -380,27 +380,6 @@ static const struct ath_rate_table ar5416_11g_ratetable = {
>  	0,   /* Phy rates allowed initially */
>  };
>  
> -static const struct ath_rate_table ar5416_11b_ratetable = {
> -	4,
> -	{
> -		{ VALID, VALID, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */
> -			900, 0x1b,  0x00, (0x80|2),
> -			0, 0, 1, 0, 0 },
> -		{ VALID, VALID, WLAN_RC_PHY_CCK, 2000, /* 2 Mb */
> -			1800, 0x1a, 0x04, (0x80|4),
> -			1, 1, 1, 1, 0 },
> -		{ VALID, VALID, WLAN_RC_PHY_CCK, 5500, /* 5.5 Mb */
> -			4300, 0x19, 0x04, (0x80|11),
> -			1, 2, 2, 2, 0 },
> -		{ VALID, VALID, WLAN_RC_PHY_CCK, 11000, /* 11 Mb */
> -			7100, 0x18, 0x04, (0x80|22),
> -			1, 4, 100, 3, 0 },
> -	},
> -	100, /* probe interval */
> -	100, /* rssi reduce interval */
> -	0,   /* Phy rates allowed initially */
> -};
> -
>  static inline int8_t median(int8_t a, int8_t b, int8_t c)
>  {
>  	if (a >= b) {
> @@ -1723,8 +1702,6 @@ static struct rate_control_ops ath_rate_ops = {
>  
>  void ath_rate_attach(struct ath_softc *sc)
>  {
> -	sc->hw_rate_table[ATH9K_MODE_11B] =
> -		&ar5416_11b_ratetable;
>  	sc->hw_rate_table[ATH9K_MODE_11A] =
>  		&ar5416_11a_ratetable;
>  	sc->hw_rate_table[ATH9K_MODE_11G] =
>   


Does this mean that 802.11b will not work anymore? A lot of legacy 
equipment that only supports B is still arround.




--
Karl
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