On Mon, May 10, 2004 at 07:13:22AM -0000, bunty wrote:
>
> hi,
> while studying kernel source i came across variable MAX_TCP_HEADER
> in tcp_output.c. but i am unable to figure out value of it. can anybody know
> it?
>
using grep under include:
include/net/tcp.h:264:#define MAX_TCP_HEADER (128 + MAX_HEADER)
include/linux/netdevice.h:82:
#if !defined(CONFIG_AX25) && !defined(CONFIG_AX25_MODULE) && !defined(CONFIG_TR)
#define LL_MAX_HEADER 32
#else
#if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
#define LL_MAX_HEADER 96
#else
#define LL_MAX_HEADER 48
#endif
#endif
#if !defined(CONFIG_NET_IPIP) && \
!defined(CONFIG_IPV6) && !defined(CONFIG_IPV6_MODULE)
#define MAX_HEADER LL_MAX_HEADER
#else
#define MAX_HEADER (LL_MAX_HEADER + 48)
#endif
> regards,
> parag
>
>
> _[_h_t_t_p_:_/_/_a_d_s_._r_e_d_i_f_f_._c_o_m_/_R_e_a_l_M_e_d_i_a_/_a_d_s_/_a_d_s_t_r_e_a_m___n_x_._c_g_i_/_w_w_w_._r_e_d_i_f_f_m_a_i_l_._c_o_m_/
> _i_n_b_o_x_._h_t_m_@_B_o_t_t_o_m_]
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